[Eugene-commits] 01/05: Introduce extension package + model extension file parser

10 Sep 2016

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New commit to branch develop in repository eugene.

See https://gitlab.nuiton.org/nuiton/eugene.git

commit 902ad6a0573401464e7e7df6606eb4c2119f6516
Author: Tony CHEMIT <chemit@codelutin.com>
Date:   Sat Sep 10 10:56:34 2016 +0200

    Introduce extension package + model extension file parser
---
 .../extension/CompactModelExtensionFileParser.java | 173 ++++++
 .../extension/FlatModelExtensionFileParser.java    | 214 ++++++++
 .../reader/extension/LoadModelExtension.java       | 585 +++++++++++++++++++++
 .../reader/extension/ModelExtensionFileParser.java |  16 +
 .../ModelExtensionFileParserCallback.java          |  28 +
 5 files changed, 1016 insertions(+)

diff --git a/eugene/src/main/java/org/nuiton/eugene/models/object/reader/extension/CompactModelExtensionFileParser.java b/eugene/src/main/java/org/nuiton/eugene/models/object/reader/extension/CompactModelExtensionFileParser.java
new file mode 100644
index 0000000..3f18ac4
--- /dev/null
+++ b/eugene/src/main/java/org/nuiton/eugene/models/object/reader/extension/CompactModelExtensionFileParser.java
@@ -0,0 +1,173 @@
+package org.nuiton.eugene.models.object.reader.extension;
+
+import com.google.common.base.Preconditions;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.util.List;
+
+/**
+ * Created on 09/09/16.
+ *
+ * @author Tony Chemit - chemit@codelutin.com
+ */
+public class CompactModelExtensionFileParser implements ModelExtensionFileParser {
+
+    /** Logger. */
+    private static final Log log = LogFactory.getLog(CompactModelExtensionFileParser.class);
+
+    enum Scope {
+        MODEL,
+        PACKAGE,
+        CLASS
+    }
+
+    protected Scope scope;
+    protected String name;
+
+    @Override
+    public void parse(File file, ModelExtensionFileParserCallback callback) throws IOException {
+
+        scope = null;
+        name = null;
+
+        List<String> lines = Files.readAllLines(file.toPath(), StandardCharsets.UTF_8);
+
+        for (String line : lines) {
+            consumeLine(line, callback);
+        }
+
+    }
+
+    protected void consumeLine(String line, ModelExtensionFileParserCallback callback) {
+        if (StringUtils.isBlank(line)) {
+
+            // ligne vide
+            return;
+        }
+        if (line.startsWith("#")) {
+
+            // commentaire
+            return;
+        }
+        Scope newScope = getScope(line);
+        if (newScope != null) {
+
+            // changement de scope
+            this.scope = newScope;
+            this.name = null;
+            return;
+        }
+
+        Preconditions.checkState(scope != null);
+
+        switch (scope) {
+
+            case MODEL: {
+
+                // la ligne est une tag value ou un stereotype
+                int index = line.indexOf(' ');
+                if (index == -1) {
+
+                    // stereotype de package
+                    callback.onModelStereotypeFound(line);
+
+                } else {
+
+                    // tag value de package
+                    callback.onModelTagValueFound(line.substring(0, index), line.substring(index + 1));
+                }
+            }
+            break;
+            case PACKAGE: {
+                if (line.startsWith("  ")) {
+
+                    Preconditions.checkState(name != null, "Pas de nom de paquetage déclaré");
+
+                    line = line.trim();
+
+                    // la ligne est une tag value ou un stereotype
+                    int index = line.indexOf(' ');
+                    if (index == -1) {
+
+                        // stereotype de package
+                        callback.onPackageStereotypeFound(name, line);
+                    } else {
+
+                        // tag value de package
+                        callback.onPackageTagValueFound(name, line.substring(0, index), line.substring(index + 1));
+                    }
+
+                    break;
+
+                }
+
+                name = line;
+
+            }
+            break;
+            case CLASS:
+
+                if (line.startsWith("  ")) {
+
+                    Preconditions.checkState(name != null, "Pas de nom de classe déclaré");
+
+                    line = line.trim();
+
+                    // la ligne est une tag value ou un stereotype
+                    int index = line.indexOf(' ');
+                    if (index == -1) {
+
+                        int attributeIndex = line.indexOf('.');
+                        if (attributeIndex == -1) {
+
+                            // stereotype de classe
+                            callback.onClassStereotypeFound(name, line);
+                        } else {
+
+                            // stereotype d'attribut
+                            callback.onAttributeStereotypeFound(name, line.substring(0, attributeIndex), line.substring(attributeIndex + 1));
+                        }
+
+                    } else {
+
+                        String attributeOrTagValue = line.substring(0, index);
+
+                        int attributeIndex = attributeOrTagValue.indexOf('.');
+                        if (attributeIndex == -1) {
+
+                            // tag value de classe
+                            callback.onClassTagValueFound(name, attributeOrTagValue, line.substring(index + 1));
+
+
+                        } else {
+                            // tag value d'attribut
+                            callback.onAttributeTagValueFound(name, attributeOrTagValue.substring(0, attributeIndex), attributeOrTagValue.substring(attributeIndex + 1), line.substring(index + 1));
+                        }
+
+                    }
+
+                    break;
+                }
+
+                name = line;
+
+                break;
+        }
+    }
+
+    protected Scope getScope(String line) {
+        for (Scope scope : Scope.values()) {
+            String scopeStr = "[" + scope.name().toLowerCase() + "]";
+            if (line.equals(scopeStr)) {
+                return scope;
+            }
+        }
+        return null;
+    }
+}
diff --git a/eugene/src/main/java/org/nuiton/eugene/models/object/reader/extension/FlatModelExtensionFileParser.java b/eugene/src/main/java/org/nuiton/eugene/models/object/reader/extension/FlatModelExtensionFileParser.java
new file mode 100644
index 0000000..0f19652
--- /dev/null
+++ b/eugene/src/main/java/org/nuiton/eugene/models/object/reader/extension/FlatModelExtensionFileParser.java
@@ -0,0 +1,214 @@
+package org.nuiton.eugene.models.object.reader.extension;
+
+import org.apache.commons.collections.CollectionUtils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.nuiton.eugene.models.object.reader.InvalidModelPropertiesException;
+import org.nuiton.eugene.models.stereotype.InvalidStereotypeSyntaxException;
+import org.nuiton.eugene.models.stereotype.Stereotypes;
+import org.nuiton.eugene.models.tagvalue.InvalidTagValueSyntaxException;
+import org.nuiton.eugene.models.tagvalue.TagValues;
+import org.nuiton.util.RecursiveProperties;
+import org.nuiton.util.StringUtil;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Properties;
+import java.util.Set;
+import java.util.regex.Matcher;
+
+import static org.nuiton.eugene.models.object.reader.AbstractObjectModelReader.ATTRIBUTE;
+import static org.nuiton.eugene.models.object.reader.AbstractObjectModelReader.CLASS;
+import static org.nuiton.eugene.models.object.reader.AbstractObjectModelReader.MODEL;
+import static org.nuiton.eugene.models.object.reader.AbstractObjectModelReader.PACKAGE;
+import static org.nuiton.eugene.models.object.reader.AbstractObjectModelReader.STEREOTYPE;
+import static org.nuiton.eugene.models.object.reader.AbstractObjectModelReader.TAGVALUE;
+import static org.nuiton.eugene.models.object.reader.AbstractObjectModelReader.TAG_VALUE;
+
+/**
+ * Created on 09/09/16.
+ *
+ * @author Tony Chemit - chemit@codelutin.com
+ */
+public class FlatModelExtensionFileParser implements ModelExtensionFileParser {
+
+    /** Logger. */
+    private static final Log log = LogFactory.getLog(FlatModelExtensionFileParser.class);
+
+    @Override
+    public void parse(File file, ModelExtensionFileParserCallback callback) throws IOException, InvalidStereotypeSyntaxException, InvalidTagValueSyntaxException {
+
+        Properties prop = new RecursiveProperties();
+
+        try (Reader inStream = new InputStreamReader(new FileInputStream(file), StandardCharsets.UTF_8)) {
+            prop.load(inStream);
+        }
+
+        // get all the tagvalues keys and sort them
+        List<String> keys = new ArrayList<>();
+        CollectionUtils.addAll(keys, prop.keys());
+        Collections.sort(keys);
+
+        boolean safe = true;
+        for (String key : keys) {
+            String value = prop.getProperty(key);
+            safe &= consumeKeyValue(key, value, callback);
+
+        }
+
+        if (!safe) {
+
+            String errorMessage = "There is some tag value(s) or stereotype(s) failed to be imported from " + file;
+            throw new InvalidModelPropertiesException(errorMessage);
+
+        }
+
+    }
+
+    protected boolean consumeKeyValue(String key, String value, ModelExtensionFileParserCallback callback) throws InvalidStereotypeSyntaxException, InvalidTagValueSyntaxException {
+
+        boolean safe = true;
+
+        boolean stereoTypeKey = isStereotype(key);
+        boolean tagValueTypeKey = isTagValue(key);
+
+        if (log.isDebugEnabled()) {
+            log.debug("Property: '" + key + "' = " + value);
+        }
+
+        if (key.startsWith(MODEL)) {
+
+            // model stereotype
+            if (stereoTypeKey) {
+
+                Set<String> stereotypes = Stereotypes.getStereotypes(value);
+                for (String stereotype : stereotypes) {
+                    safe &= callback.onModelStereotypeFound(stereotype);
+                }
+                return safe;
+
+            }
+
+            // model tag value
+            if (tagValueTypeKey) {
+
+                Matcher matcher = TagValues.getModelMatcher(key);
+
+                String tag = matcher.group(2);
+
+                return callback.onModelTagValueFound(tag, value);
+
+            }
+
+            throw new InvalidModelPropertiesException(key + " is not a valid model entry.");
+
+        }
+
+        if (key.startsWith(PACKAGE)) {
+
+            // package stereotype or tag value
+
+            if (stereoTypeKey) {
+
+                // package stereotype
+                Matcher matcher = Stereotypes.getPackageMatcher(key);
+
+                String fqn = matcher.group(1);
+                fqn = StringUtil.substring(fqn, 0, -1); // remove ended .
+
+                Set<String> stereotypes = Stereotypes.getStereotypes(value);
+                for (String stereotype : stereotypes) {
+                    safe &= callback.onPackageStereotypeFound(fqn, stereotype);
+                }
+                return safe;
+
+            }
+
+            if (tagValueTypeKey) {
+
+                // package tag value
+
+                Matcher matcher = TagValues.getPackageMatcher(key);
+
+                String packageName = matcher.group(1);
+                packageName = StringUtil.substring(packageName, 0, -1); // remove ended .
+                String tag = matcher.group(3);
+
+                return callback.onPackageTagValueFound(packageName, tag, value);
+
+            }
+
+            throw new InvalidModelPropertiesException(key + " is not a valid package entry.");
+
+        }
+
+        // element tag value or stereotype
+
+        if (stereoTypeKey) {
+
+            // stereotype property
+
+            // check key is ok
+            Matcher matcher = Stereotypes.getMatcher(key);
+
+            String fqn = matcher.group(1);
+            fqn = StringUtil.substring(fqn, 0, -1); // remove ended .
+            // target is class, attribute or operation
+            String target = matcher.group(2);
+            String targetName = matcher.group(3);
+
+            Set<String> stereotypes = Stereotypes.getStereotypes(value);
+            for (String stereotype : stereotypes) {
+
+                if (CLASS.equals(target)) {
+                    safe &= callback.onClassStereotypeFound(fqn, stereotype);
+                } else if (ATTRIBUTE.equals(target)) {
+                    safe &= callback.onAttributeStereotypeFound(fqn, targetName, stereotype);
+                }
+            }
+            return safe;
+
+        }
+        if (tagValueTypeKey) {
+
+            // tag value property
+
+            Matcher matcher = TagValues.getMatcher(key);
+
+            String fqn = matcher.group(1);
+            fqn = StringUtil.substring(fqn, 0, -1); // remove ended dot
+            // target is class, attribute or operation
+            String target = matcher.group(2);
+            // name of the target (can be null on class)
+            String targetName = matcher.group(3);
+            // type is tagvalue
+            String type = matcher.group(4).toLowerCase();
+            // name of the tag value
+            String tag = matcher.group(5);
+
+            if (CLASS.equals(target)) {
+                return callback.onClassTagValueFound(fqn, tag, value);
+            } else if (ATTRIBUTE.equals(target)) {
+                return callback.onAttributeTagValueFound(fqn, targetName, tag, value);
+            }
+        }
+
+        throw new InvalidModelPropertiesException(key + " is not a valid class or attribute entry.");
+    }
+
+    protected boolean isTagValue(String key) {
+        return key.contains(TAGVALUE) || key.contains(TAG_VALUE);
+    }
+
+    protected boolean isStereotype(String key) {
+        return key.contains(STEREOTYPE);
+    }
+
+}
diff --git a/eugene/src/main/java/org/nuiton/eugene/models/object/reader/extension/LoadModelExtension.java b/eugene/src/main/java/org/nuiton/eugene/models/object/reader/extension/LoadModelExtension.java
new file mode 100644
index 0000000..b68e576
--- /dev/null
+++ b/eugene/src/main/java/org/nuiton/eugene/models/object/reader/extension/LoadModelExtension.java
@@ -0,0 +1,585 @@
+package org.nuiton.eugene.models.object.reader.extension;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.nuiton.eugene.EugeneTagValues;
+import org.nuiton.eugene.models.object.ObjectModel;
+import org.nuiton.eugene.models.object.ObjectModelAssociationClass;
+import org.nuiton.eugene.models.object.ObjectModelAttribute;
+import org.nuiton.eugene.models.object.ObjectModelClass;
+import org.nuiton.eugene.models.object.ObjectModelClassifier;
+import org.nuiton.eugene.models.object.ObjectModelPackage;
+import org.nuiton.eugene.models.object.xml.ObjectModelAssociationClassImpl;
+import org.nuiton.eugene.models.object.xml.ObjectModelClassifierImpl;
+import org.nuiton.eugene.models.object.xml.ObjectModelImpl;
+import org.nuiton.eugene.models.stereotype.InvalidStereotypeSyntaxException;
+import org.nuiton.eugene.models.stereotype.MismatchStereotypeTargetException;
+import org.nuiton.eugene.models.stereotype.StereotypeDefinitionProvider;
+import org.nuiton.eugene.models.stereotype.StereotypeDefinitionProviders;
+import org.nuiton.eugene.models.stereotype.StereotypeNotFoundException;
+import org.nuiton.eugene.models.tagvalue.InvalidTagValueSyntaxException;
+import org.nuiton.eugene.models.tagvalue.MismatchTagValueTargetException;
+import org.nuiton.eugene.models.tagvalue.TagValueDefinitionProvider;
+import org.nuiton.eugene.models.tagvalue.TagValueDefinitionProviders;
+import org.nuiton.eugene.models.tagvalue.TagValueNotFoundException;
+
+import java.io.File;
+import java.io.IOException;
+
+
+/**
+ * Created on 09/09/16.
+ *
+ * @author Tony Chemit - chemit@codelutin.com
+ */
+public class LoadModelExtension<M extends ObjectModel> implements ModelExtensionFileParserCallback<M> {
+
+    /** Logger. */
+    private static final Log log = LogFactory.getLog(LoadModelExtension.class);
+
+    protected final boolean verbose;
+    protected final boolean strictLoading;
+    protected final M model;
+    protected final TagValueDefinitionProvider tagValueDefinitionProvider;
+    protected final StereotypeDefinitionProvider stereotypeDefinitionProvider;
+
+    public static <M extends ObjectModel> void loadForFlatModel(boolean verbose, boolean strictLoading, M model, File modelExtension) throws IOException {
+        FlatModelExtensionFileParser parser = new FlatModelExtensionFileParser();
+        try {
+            new LoadModelExtension<>(verbose, strictLoading, model).load(modelExtension);
+        } catch (InvalidTagValueSyntaxException | InvalidStereotypeSyntaxException e) {
+            // FIXME
+            throw new IllegalStateException(e);
+        }
+
+    }
+
+    public static <M extends ObjectModel> void loadForCompactModel(boolean verbose, boolean strictLoading, M model, File modelExtension) throws IOException {
+        CompactModelExtensionFileParser parser = new CompactModelExtensionFileParser();
+        try {
+            new LoadModelExtension<>(verbose, strictLoading, model).load(modelExtension);
+        } catch (InvalidTagValueSyntaxException | InvalidStereotypeSyntaxException e) {
+            // FIXME
+            throw new IllegalStateException(e);
+        }
+
+    }
+
+    public LoadModelExtension(boolean verbose, boolean strictLoading, M model) {
+        this.verbose = verbose;
+        this.strictLoading = strictLoading;
+        this.model = model;
+        this.tagValueDefinitionProvider = TagValueDefinitionProviders.newProvider(getClass().getClassLoader(), false);
+        this.stereotypeDefinitionProvider = StereotypeDefinitionProviders.newProvider(getClass().getClassLoader(), false);
+    }
+
+    public void load(File modelExtension) throws IOException, InvalidTagValueSyntaxException, InvalidStereotypeSyntaxException {
+
+        ModelExtensionFileParser parser;
+        if (modelExtension.getName().endsWith(".properties")) {
+            parser = new FlatModelExtensionFileParser();
+        } else {
+            parser = new CompactModelExtensionFileParser();
+        }
+        parser.parse(modelExtension, this);
+
+    }
+
+    @Override
+    public boolean onModelTagValueFound(String tag, String value) {
+
+        boolean safe = false;
+
+        try {
+            tagValueDefinitionProvider.validate(tag, ObjectModel.class);
+            safe = true;
+        } catch (TagValueNotFoundException e) {
+            String message = "Invalid model tag value: the tagvalue '" + tag + "' is unknown.";
+            if (strictLoading) {
+                log.error(message);
+            } else {
+                log.warn(message);
+            }
+        } catch (MismatchTagValueTargetException e) {
+            String message = "Invalid model tag value: this tagvalue '" + tag + "' can not be apply on the model.";
+            if (strictLoading) {
+                log.error(message);
+            } else {
+                log.warn(message);
+            }
+        }
+
+        if (safe) {
+
+            // test if tagValue is deprecated
+            boolean deprecated = tagValueDefinitionProvider.isDeprecated(tag);
+            if (deprecated) {
+                if (log.isWarnEnabled()) {
+                    log.warn("Deprecated tagValue usage: " + value);
+                }
+            }
+        } else {
+            if (strictLoading) {
+                // in strict loading do not accept unsafe tags
+                return false;
+            }
+        }
+
+        ObjectModelImpl modelImpl = (ObjectModelImpl) model;
+        if (tag.equals(EugeneTagValues.TAG_VERSION)) {
+
+            // push directly the version in the model version property
+            modelImpl.setVersion(value);
+        }
+        if (verbose) {
+            log.info("model tag value imported " + tag + " → " + value);
+        }
+        modelImpl.addTagValue(tag, value);
+
+        return safe;
+
+    }
+
+    @Override
+    public boolean onModelStereotypeFound(String stereotype) {
+
+        boolean safe = false;
+
+        try {
+            stereotypeDefinitionProvider.validate(stereotype, ObjectModel.class);
+            safe = true;
+        } catch (StereotypeNotFoundException e) {
+
+            String message = "Invalid model stereotype [" + stereotype + "] : the stereotype '" + stereotype + "' is unknown.";
+            if (strictLoading) {
+                log.error(message);
+            } else {
+                log.warn(message);
+            }
+        } catch (MismatchStereotypeTargetException e) {
+            String message = "Invalid model stereotype [" + stereotype + "] : this stereotype '" + stereotype + "' can not be apply on model.";
+            if (strictLoading) {
+                log.error(message);
+            } else {
+                log.warn(message);
+            }
+        }
+
+        if (safe) {
+
+            // test if stereotype is deprecated
+            boolean deprecated = stereotypeDefinitionProvider.isDeprecated(stereotype);
+            if (deprecated) {
+                log.warn("Deprecated model stereotype usage: " + stereotype);
+            }
+        } else {
+            if (strictLoading) {
+                // in strict loading do not accept unsafe stereotypes
+                return false;
+            }
+        }
+
+        if (verbose) {
+            log.info("stereotype imported " + stereotype + " → model.");
+        }
+        return safe;
+    }
+
+    @Override
+    public boolean onPackageTagValueFound(String packageName, String tag, String value) {
+
+        boolean safe = false;
+
+        try {
+            tagValueDefinitionProvider.validate(tag, ObjectModelPackage.class);
+            safe = true;
+        } catch (TagValueNotFoundException e) {
+            String message = "Invalid tag value on package [" + packageName + "]: the tagvalue '" + tag + "' is unknown.";
+            if (strictLoading) {
+                log.error(message);
+            } else {
+                log.warn(message);
+            }
+        } catch (MismatchTagValueTargetException e) {
+            String message = "Invalid tag value on package [" + packageName + "]: this tagvalue '" + tag + "' can not be apply on the model.";
+            if (strictLoading) {
+                log.error(message);
+            } else {
+                log.warn(message);
+            }
+
+        }
+
+        if (safe) {
+
+            // test if tagValue is deprecated
+            boolean deprecated = tagValueDefinitionProvider.isDeprecated(tag);
+            if (deprecated) {
+                if (log.isWarnEnabled()) {
+                    log.warn("Deprecated tagValue usage on package [" + packageName + "]: " + value);
+                }
+            }
+        } else {
+            if (strictLoading) {
+                // in strict loading do not accept unsafe tags
+                return false;
+            }
+        }
+
+        ObjectModelPackage aPackage = model.getPackage(packageName);
+        if (verbose) {
+            log.info("imported tag value on package [" + packageName + "] → " + tag + " = " + value);
+        }
+        aPackage.addTagValue(tag, value);
+        return true;
+    }
+
+    @Override
+    public boolean onPackageStereotypeFound(String packageName, String stereotype) {
+
+        boolean safe = false;
+        try {
+            stereotypeDefinitionProvider.validate(stereotype, ObjectModelPackage.class);
+            safe = true;
+        } catch (StereotypeNotFoundException e) {
+            String message = "Invalid model stereotype on package [" + packageName + "]: the stereotype '" + stereotype + "' is unknown.";
+            if (strictLoading) {
+                log.error(message);
+            } else {
+                log.warn(message);
+            }
+        } catch (MismatchStereotypeTargetException e) {
+            String message = "Invalid model stereotype on package [" + packageName + "]: this stereotype '" + stereotype + "' can not be apply on package.";
+            if (strictLoading) {
+                log.error(message);
+            } else {
+                log.warn(message);
+            }
+        }
+
+        if (safe) {
+
+            // test if tagValue is deprecated
+            boolean deprecated = stereotypeDefinitionProvider.isDeprecated(stereotype);
+            if (deprecated) {
+                log.warn("Deprecated stereotype usage on package [" + packageName + "]: " + stereotype);
+            }
+        } else {
+            if (strictLoading) {
+                // in strict loading do not accept unsafe stereotypes
+                return false;
+            }
+        }
+
+        ObjectModelPackage omc = model.getPackage(packageName);
+        if (omc == null) {
+
+            // package not found
+            return false;
+        }
+
+        omc.addStereotype(stereotype);
+
+        if (verbose) {
+            log.info("imported stereotype on package [" + packageName + "] → " + stereotype);
+        }
+
+        return true;
+    }
+
+    @Override
+    public boolean onClassTagValueFound(String className, String tag, String value) {
+
+        boolean safe = false;
+
+        try {
+            tagValueDefinitionProvider.validate(tag, ObjectModelClass.class);
+            safe = true;
+        } catch (TagValueNotFoundException e) {
+
+            String message = "Invalid tag value on class [" + className + "]: this tagvalue '" + tag + "' is unknown.";
+            if (strictLoading) {
+                log.error(message);
+            } else {
+                log.warn(message);
+            }
+
+        } catch (MismatchTagValueTargetException e) {
+            String message = "Invalid tag value on class [" + className + "]: this tagvalue '" + tag + "' can not be apply on class scope.";
+            if (strictLoading) {
+                log.error(message);
+            } else {
+                log.warn(message);
+            }
+        }
+
+        if (safe) {
+
+            // test if tagValue is deprecated
+            boolean deprecated = tagValueDefinitionProvider.isDeprecated(tag);
+            if (deprecated) {
+                if (log.isWarnEnabled()) {
+                    log.warn("Deprecated tagValue usage on class [" + className + "] : " + value);
+                }
+            }
+        } else {
+
+            if (strictLoading) {
+                // in strict loading do not accept unsafe tags
+                return false;
+            }
+        }
+
+        ObjectModelClassifier omc = getClassifier(className);
+        if (omc == null) {
+
+            // classifier not found
+            return false;
+        }
+
+        omc.addTagValue(tag, value);
+
+        if (verbose) {
+            log.info("tag value imported on class [" + className + "] → " + tag + " = " + value);
+        }
+        return true;
+
+    }
+
+    @Override
+    public boolean onClassStereotypeFound(String className, String stereotype) {
+
+        boolean safe = false;
+        try {
+            stereotypeDefinitionProvider.validate(stereotype, ObjectModelClassifier.class);
+            safe = true;
+        } catch (StereotypeNotFoundException e) {
+
+            String message = "Invalid model stereotype on class [" + className + "]: the stereotype '" + stereotype + "' is unknown.";
+            if (strictLoading) {
+                log.error(message);
+            } else {
+                log.warn(message);
+            }
+        } catch (MismatchStereotypeTargetException e) {
+            String message = "Invalid model stereotype on class [" + className + "]: this stereotype '" + stereotype + "' can not be apply on class scope.";
+            if (strictLoading) {
+                log.error(message);
+            } else {
+                log.warn(message);
+            }
+        }
+
+        if (safe) {
+
+            // test if stereotype is deprecated
+            boolean deprecated = stereotypeDefinitionProvider.isDeprecated(stereotype);
+            if (deprecated) {
+                if (log.isWarnEnabled()) {
+                    log.warn("Deprecated stereotype usage on class [" + className + "]: " + stereotype);
+                }
+            }
+        } else {
+            if (strictLoading) {
+                // in strict loading do not accept unsafe stereotypes
+                return false;
+            }
+        }
+
+        ObjectModelClassifier omc = getClassifier(className);
+        if (omc == null) {
+
+            // classifier not found
+            return false;
+        }
+
+        if (verbose) {
+            log.info("stereotype imported on class [" + className + "] → " + stereotype);
+        }
+
+        return true;
+
+    }
+
+    @Override
+    public boolean onAttributeTagValueFound(String className, String attributeName, String tag, String value) {
+
+        boolean safe = false;
+
+        try {
+            tagValueDefinitionProvider.validate(tag, ObjectModelAttribute.class);
+            safe = true;
+        } catch (TagValueNotFoundException e) {
+
+            String message = "Invalid tag value on attribute [" + className + "#" + attributeName + "]: this tagvalue '" + tag + "' is unknown.";
+            if (strictLoading) {
+                log.error(message);
+            } else {
+                log.warn(message);
+            }
+
+        } catch (MismatchTagValueTargetException e) {
+            String message = "Invalid tag value on attribute [" + className + "#" + attributeName + "]: this tagvalue '" + tag + "' can not be apply on attribute scope.";
+            if (strictLoading) {
+                log.error(message);
+            } else {
+                log.warn(message);
+            }
+        }
+
+        if (safe) {
+
+            // test if tagValue is deprecated
+            boolean deprecated = tagValueDefinitionProvider.isDeprecated(tag);
+            if (deprecated) {
+                if (log.isWarnEnabled()) {
+                    log.warn("Deprecated tagValue usage on attribute [" + className + "#" + attributeName + "] : " + value);
+                }
+            }
+        } else {
+
+            if (strictLoading) {
+                // in strict loading do not accept unsafe tags
+                return false;
+            }
+        }
+
+        ObjectModelClassifier omc = getClassifier(className);
+        if (omc == null) {
+
+            // classifier not found
+            return false;
+        }
+
+        ObjectModelAttribute attribute = getAttribute(omc, attributeName);
+
+        if (attribute == null) {
+
+            // attribute not found
+            return false;
+        }
+        attribute.addTagValue(tag, value);
+
+        if (verbose) {
+            log.info("tag value imported on attribute [" + className + "#" + attributeName + "] → " + tag + " = " + value);
+        }
+        return true;
+
+    }
+
+    @Override
+    public boolean onAttributeStereotypeFound(String className, String attributeName, String stereotype) {
+
+        boolean safe = false;
+        try {
+            stereotypeDefinitionProvider.validate(stereotype, ObjectModelAttribute.class);
+            safe = true;
+        } catch (StereotypeNotFoundException e) {
+
+            String message = "Invalid model stereotype on attribute [" + className + "#" + attributeName + "]: the stereotype '" + stereotype + "' is unknown.";
+            if (strictLoading) {
+                log.error(message);
+            } else {
+                log.warn(message);
+            }
+        } catch (MismatchStereotypeTargetException e) {
+            String message = "Invalid model stereotype on attribute [" + className + "#" + attributeName + "]: this stereotype '" + stereotype + "' can not be apply on attribute scope.";
+            if (strictLoading) {
+                log.error(message);
+            } else {
+                log.warn(message);
+            }
+        }
+
+        if (safe) {
+
+            // test if stereotype is deprecated
+            boolean deprecated = stereotypeDefinitionProvider.isDeprecated(stereotype);
+            if (deprecated) {
+                log.warn("Deprecated stereotype usage on attribute [" + className + "]: " + stereotype);
+            }
+        } else {
+            if (strictLoading) {
+                // in strict loading do not accept unsafe stereotypes
+                return false;
+            }
+        }
+
+        ObjectModelClassifier omc = getClassifier(className);
+        if (omc == null) {
+
+            // classifier not found
+            return false;
+        }
+        ObjectModelAttribute attribute = getAttribute(omc, attributeName);
+        if (attribute == null) {
+
+            // attribute not found
+            return false;
+        }
+        attribute.addStereotype(stereotype);
+
+        if (verbose) {
+            log.info("stereotype imported on attribute [" + className + "#" + attributeName + "] → " + stereotype);
+        }
+
+        return true;
+
+    }
+
+
+    protected ObjectModelClassifier getClassifier(String fqn) {
+        ObjectModelClassifier omc = model.getClassifier(fqn);
+        if (omc == null) {
+            if (log.isWarnEnabled()) {
+                log.warn("Could not find classifier for " + fqn);
+            }
+            return null;
+        }
+
+        //todo tchemit 2010-11-25 : what does it mean ? every thing extends ObjectModelClassifierImpl
+        if (!(omc instanceof ObjectModelClassifierImpl)) {
+            // TODO il faudra avoir des methodes d'acces en Set sur l'interface pour eviter ce message
+            if (log.isWarnEnabled()) {
+                log.warn("Can't add properties to model, " +
+                                 "it's not an " +
+                                 "ObjectModelClassifierImpl : " +
+                                 omc.getQualifiedName());
+            }
+            return null;
+        }
+        return omc;
+    }
+
+    /**
+     * Retrieve an attribute from a {@code clazz} with its {@code name}.
+     * This method manage the association class case to explore participants
+     * attributes if needed.
+     *
+     * @param clazz where the attribute need to be find
+     * @param name  attribute name to find
+     * @return the attribute found or null
+     */
+    protected ObjectModelAttribute getAttribute(ObjectModelClassifier clazz,
+                                                String name) {
+        ObjectModelAttribute result = clazz.getAttribute(name);
+
+        // Ano #619 : FD-2010-05-17 : Specific case for Association class :
+        // check on participant attributes
+        if (result == null && clazz instanceof ObjectModelAssociationClassImpl) {
+            if (log.isDebugEnabled()) {
+                log.debug("Attribute " + name + " not found from " +
+                                  clazz.getQualifiedName() + " association class. " +
+                                  "Will check participants...");
+            }
+            ObjectModelAssociationClass assoc = (ObjectModelAssociationClass) clazz;
+            for (ObjectModelAttribute participant : assoc.getParticipantsAttributes()) {
+                if (participant.getName().equals(name)) {
+                    result = participant;
+                    break;
+                }
+            }
+        }
+        return result;
+    }
+}
diff --git a/eugene/src/main/java/org/nuiton/eugene/models/object/reader/extension/ModelExtensionFileParser.java b/eugene/src/main/java/org/nuiton/eugene/models/object/reader/extension/ModelExtensionFileParser.java
new file mode 100644
index 0000000..13ddfb6
--- /dev/null
+++ b/eugene/src/main/java/org/nuiton/eugene/models/object/reader/extension/ModelExtensionFileParser.java
@@ -0,0 +1,16 @@
+package org.nuiton.eugene.models.object.reader.extension;
+
+import org.nuiton.eugene.models.stereotype.InvalidStereotypeSyntaxException;
+import org.nuiton.eugene.models.tagvalue.InvalidTagValueSyntaxException;
+
+import java.io.File;
+import java.io.IOException;
+
+/**
+ * Created on 09/09/16.
+ *
+ * @author Tony Chemit - chemit@codelutin.com
+ */
+public interface ModelExtensionFileParser {
+    void parse(File file, ModelExtensionFileParserCallback callback) throws IOException, InvalidStereotypeSyntaxException, InvalidTagValueSyntaxException;
+}
diff --git a/eugene/src/main/java/org/nuiton/eugene/models/object/reader/extension/ModelExtensionFileParserCallback.java b/eugene/src/main/java/org/nuiton/eugene/models/object/reader/extension/ModelExtensionFileParserCallback.java
new file mode 100644
index 0000000..66c7bba
--- /dev/null
+++ b/eugene/src/main/java/org/nuiton/eugene/models/object/reader/extension/ModelExtensionFileParserCallback.java
@@ -0,0 +1,28 @@
+package org.nuiton.eugene.models.object.reader.extension;
+
+import org.nuiton.eugene.models.object.ObjectModel;
+
+/**
+ * Created on 09/09/16.
+ *
+ * @author Tony Chemit - chemit@codelutin.com
+ */
+public interface ModelExtensionFileParserCallback<M extends ObjectModel> {
+
+    boolean onModelTagValueFound(String tag, String value);
+
+    boolean onModelStereotypeFound(String stereotype);
+
+    boolean onPackageTagValueFound(String packageName, String tag, String value);
+
+    boolean onPackageStereotypeFound(String packageName, String stereotype);
+
+    boolean onClassTagValueFound(String className, String tag, String value);
+
+    boolean onClassStereotypeFound(String className, String stereotype);
+
+    boolean onAttributeTagValueFound(String className, String attributeName, String tag, String value);
+
+    boolean onAttributeStereotypeFound(String className, String attributeName, String stereotype);
+
+}

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[Eugene-commits] 01/05: Introduce extension package + model extension file parser

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