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[tinyTiM-commits] SF.net SVN: tinytim: [14] tinytim/trunk/main/java/org/tinytim
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From: <lh...@us...> - 2008-04-20 13:41:34
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Revision: 14
http://tinytim.svn.sourceforge.net/tinytim/?rev=14&view=rev
Author: lheuer
Date: 2008-04-20 06:28:10 -0700 (Sun, 20 Apr 2008)
Log Message:
-----------
Initial import of the TopicMapsSystem and the TMSysFactory
Added Paths:
-----------
tinytim/trunk/main/java/org/tinytim/TopicMapSystemFactoryImpl.java
tinytim/trunk/main/java/org/tinytim/TopicMapSystemImpl.java
Added: tinytim/trunk/main/java/org/tinytim/TopicMapSystemFactoryImpl.java
===================================================================
--- tinytim/trunk/main/java/org/tinytim/TopicMapSystemFactoryImpl.java (rev 0)
+++ tinytim/trunk/main/java/org/tinytim/TopicMapSystemFactoryImpl.java 2008-04-20 13:28:10 UTC (rev 14)
@@ -0,0 +1,191 @@
+/*
+ * This is tinyTiM, a tiny Topic Maps engine.
+ *
+ * Copyright (C) 2008 Lars Heuer (heuer[at]semagia.com)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+package org.tinytim;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
+
+import org.tmapi.core.FeatureNotRecognizedException;
+import org.tmapi.core.FeatureNotSupportedException;
+import org.tmapi.core.TMAPIException;
+import org.tmapi.core.TopicMapSystem;
+import org.tmapi.core.TopicMapSystemFactory;
+
+/**
+ * {@link org.tmapi.core.TopicMapSystemFactory} implementation.
+ *
+ * @author Lars Heuer (heuer[at]semagia.com) <a href="http://www.semagia.com/">Semagia</a>
+ * @version $Rev:$ - $Date:$
+ */
+public final class TopicMapSystemFactoryImpl extends TopicMapSystemFactory {
+
+ private static final String _COLL_FACTORY_JAVA = "org.tinytim.JavaCollectionFactory";
+ private static final String _COLL_FACTORY_TROVE = "org.tinytim.TroveCollectionFactory";
+ private static final FeatureInfo[] _FEATURES = new FeatureInfo[] {
+ // Feature IRI, default value, fixed?
+ new FeatureInfo(TMAPIFeature.NOTATION_URI, true, true),
+ new FeatureInfo(TMAPIFeature.XTM_1_0, false, true),
+ new FeatureInfo(TMAPIFeature.XTM_1_1, true, true),
+ new FeatureInfo(TMAPIFeature.AUTOMERGE, false, true),
+ new FeatureInfo(TMAPIFeature.TNC, false, true),
+ new FeatureInfo(TMAPIFeature.READ_ONLY, false, true)
+ };
+
+ private Properties _properties;
+ private Map<String, Boolean> _features;
+
+ public TopicMapSystemFactoryImpl() {
+ _properties = new Properties();
+ _features = new HashMap<String, Boolean>(_FEATURES.length);
+ for (FeatureInfo feature: _FEATURES) {
+ _features.put(feature.name, feature.defaultValue);
+ }
+ _properties.setProperty(Property.COLLECTION_FACTORY, _COLL_FACTORY_JAVA);
+ try {
+ // Probe if Trove is available.
+ Class.forName("gnu.trove.THashSet");
+ _properties.setProperty(Property.COLLECTION_FACTORY, _COLL_FACTORY_TROVE);
+ }
+ catch (Exception ex) {
+ // noop.
+ }
+ }
+
+ /* (non-Javadoc)
+ * @see org.tmapi.core.TopicMapSystemFactory#newTopicMapSystem()
+ */
+ @Override
+ public TopicMapSystem newTopicMapSystem() throws TMAPIException {
+ return new TopicMapSystemImpl(_createCollectionFactory(), new HashMap<String, Boolean>(_features), new Properties(_properties));
+ }
+
+ /**
+ * Creates a collection factory based according to the
+ * {@link Property#COLLECTION_FACTORY} value. If the collection factory
+ * is not available, a default collection factory implementation is returned.
+ *
+ * @return A collection factory.
+ */
+ private ICollectionFactory _createCollectionFactory() {
+ String className = _properties.getProperty(Property.COLLECTION_FACTORY, _COLL_FACTORY_JAVA);
+ try {
+ return (ICollectionFactory) Class.forName(className).newInstance();
+ }
+ catch (Exception ex) {
+ // Irgendwas geht immer ;)
+ return new JavaCollectionFactory();
+ }
+ }
+
+ /* (non-Javadoc)
+ * @see org.tmapi.core.TopicMapSystemFactory#getFeature(java.lang.String)
+ */
+ @Override
+ public boolean getFeature(String featureName) throws FeatureNotRecognizedException {
+ final Boolean supported = _features.get(featureName);
+ if (supported == null) {
+ reportFeatureNotRecognized(featureName);
+ }
+ return supported.booleanValue();
+ }
+
+ /* (non-Javadoc)
+ * @see org.tmapi.core.TopicMapSystemFactory#hasFeature(java.lang.String)
+ */
+ @Override
+ public boolean hasFeature(String featureName) {
+ return _features.containsKey(featureName);
+ }
+
+ /* (non-Javadoc)
+ * @see org.tmapi.core.TopicMapSystemFactory#setFeature(java.lang.String, boolean)
+ */
+ @Override
+ public void setFeature(String featureName, boolean enabled)
+ throws FeatureNotSupportedException, FeatureNotRecognizedException {
+ if (!_features.containsKey(featureName)) {
+ reportFeatureNotRecognized(featureName);
+ }
+ FeatureInfo feature = null;
+ for (FeatureInfo feature_: _FEATURES) {
+ if (feature_.name.equals(featureName)) {
+ feature = feature_;
+ }
+ }
+ if (feature.fixed && feature.defaultValue != enabled) {
+ throw new FeatureNotSupportedException("The feature '" + featureName + "' cannot be changed.");
+ }
+ _features.put(featureName, enabled);
+ }
+
+ /* (non-Javadoc)
+ * @see org.tmapi.core.TopicMapSystemFactory#getProperty(java.lang.String)
+ */
+ @Override
+ public String getProperty(String propertyName) {
+ return _properties.getProperty(propertyName);
+ }
+
+ /* (non-Javadoc)
+ * @see org.tmapi.core.TopicMapSystemFactory#setProperties(java.util.Properties)
+ */
+ @Override
+ public void setProperties(Properties properties) {
+ _properties = new Properties(properties);
+ }
+
+ /* (non-Javadoc)
+ * @see org.tmapi.core.TopicMapSystemFactory#setProperty(java.lang.String, java.lang.String)
+ */
+ @Override
+ public void setProperty(String propertyName, String value) {
+ _properties.setProperty(propertyName, value);
+ }
+
+ /**
+ * Throws a {@link org.tmapi.core.FeatureNotRecognizedException} with a
+ * message.
+ *
+ * @param featureName The name of the feature which is unknown.
+ * @throws FeatureNotRecognizedException Thrown in any case.
+ */
+ static void reportFeatureNotRecognized(String featureName) throws FeatureNotRecognizedException {
+ throw new FeatureNotRecognizedException("The feature '" + featureName + "' is unknown");
+ }
+
+ /**
+ * Simple structure that holds a feature name, the default value and an
+ * indication if the feature is changable.
+ */
+ private static class FeatureInfo {
+ String name;
+ boolean defaultValue;
+ boolean fixed;
+
+ FeatureInfo(String name, boolean defaultValue, boolean fixed) {
+ this.name = name;
+ this.defaultValue = defaultValue;
+ this.fixed = fixed;
+ }
+ }
+
+}
Property changes on: tinytim/trunk/main/java/org/tinytim/TopicMapSystemFactoryImpl.java
___________________________________________________________________
Name: svn:keywords
+ Rev Date Id
Name: svn:eol-style
+ native
Added: tinytim/trunk/main/java/org/tinytim/TopicMapSystemImpl.java
===================================================================
--- tinytim/trunk/main/java/org/tinytim/TopicMapSystemImpl.java (rev 0)
+++ tinytim/trunk/main/java/org/tinytim/TopicMapSystemImpl.java 2008-04-20 13:28:10 UTC (rev 14)
@@ -0,0 +1,166 @@
+/*
+ * This is tinyTiM, a tiny Topic Maps engine.
+ *
+ * Copyright (C) 2008 Lars Heuer (heuer[at]semagia.com)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+package org.tinytim;
+
+import java.util.Map;
+import java.util.Properties;
+import java.util.Set;
+
+import org.tmapi.core.FeatureNotRecognizedException;
+import org.tmapi.core.Locator;
+import org.tmapi.core.TopicMap;
+import org.tmapi.core.TopicMapExistsException;
+import org.tmapi.core.TopicMapSystem;
+
+/**
+ * {@link org.tmapi.core.TopicMapSystem} implementation.
+ *
+ * @author Lars Heuer (heuer[at]semagia.com) <a href="http://www.semagia.com/">Semagia</a>
+ * @version $Rev:$ - $Date:$
+ */
+final class TopicMapSystemImpl implements TopicMapSystem {
+
+ private Map<Locator, TopicMap> _topicMaps;
+ private Properties _properties;
+ private Map<String, Boolean> _features;
+ private ICollectionFactory _collectionFactory;
+
+
+ TopicMapSystemImpl(ICollectionFactory collFactory, Map<String, Boolean> features, Properties properties) {
+ _collectionFactory = collFactory;
+ _features = features;
+ _properties = properties;
+ _topicMaps = collFactory.<Locator, TopicMap>createMap();
+ }
+
+ /**
+ * Returns the collection factory.
+ *
+ * @return The collection factory.
+ */
+ ICollectionFactory getCollectionFactory() {
+ return _collectionFactory;
+ }
+
+ /**
+ * Removes a topic map from this system.
+ *
+ * @param tm The topic map to remove.
+ */
+ void removeTopicMap(TopicMap tm) {
+ _topicMaps.remove(tm.getBaseLocator());
+ }
+
+ /* (non-Javadoc)
+ * @see org.tmapi.core.TopicMapSystem#createTopicMap(java.lang.String)
+ */
+ public TopicMap createTopicMap(String baseLocator) throws TopicMapExistsException {
+ return _createTopicMap(new IRI(baseLocator));
+ }
+
+ /* (non-Javadoc)
+ * @see org.tmapi.core.TopicMapSystem#createTopicMap(java.lang.String, java.lang.String)
+ */
+ public TopicMap createTopicMap(String reference, String notation)
+ throws TopicMapExistsException {
+ assert "URI".equals(notation);
+ return _createTopicMap(new IRI(reference));
+ }
+
+ /**
+ * Creates a topic map with the specified <code>locator</code>.
+ *
+ * @param locator The locator which is used to address the topic map.
+ * @return A newly created topic map instance.
+ * @throws TopicMapExistsException If a topic map with the specified <code>locator</code>
+ * exists.
+ */
+ private TopicMap _createTopicMap(Locator locator) throws TopicMapExistsException {
+ if (_topicMaps.containsKey(locator)) {
+ throw new TopicMapExistsException("A topic map with the IRI + '" + locator.getReference() + "' exists in the system");
+ }
+ TopicMap tm = new TopicMapImpl(this, locator);
+ _topicMaps.put(locator, tm);
+ return tm;
+ }
+
+ /* (non-Javadoc)
+ * @see org.tmapi.core.TopicMapSystem#getBaseLocators()
+ */
+ public Set<Locator> getBaseLocators() {
+ //FIXME: For some reason the TMAPI tests assume that this method returns a copy
+ Set<Locator> locs = _topicMaps.keySet();
+ Set<Locator> locators = _collectionFactory.createSet(locs.size());
+ locators.addAll(locs);
+ return locators;
+ }
+
+ /* (non-Javadoc)
+ * @see org.tmapi.core.TopicMapSystem#getFeature(java.lang.String)
+ */
+ public boolean getFeature(String featureName) throws FeatureNotRecognizedException {
+ final Boolean supported = _features.get(featureName);
+ if (supported == null) {
+ TopicMapSystemFactoryImpl.reportFeatureNotRecognized(featureName);
+ }
+ return supported;
+ }
+
+ /* (non-Javadoc)
+ * @see org.tmapi.core.TopicMapSystem#getProperty(java.lang.String)
+ */
+ public String getProperty(String propertyName) {
+ return _properties.getProperty(propertyName);
+ }
+
+ /* (non-Javadoc)
+ * @see org.tmapi.core.TopicMapSystem#getTopicMap(java.lang.String)
+ */
+ public TopicMap getTopicMap(String reference) {
+ return getTopicMap(new IRI(reference));
+ }
+
+ /* (non-Javadoc)
+ * @see org.tmapi.core.TopicMapSystem#getTopicMap(org.tmapi.core.Locator)
+ */
+ public TopicMap getTopicMap(Locator iri) {
+ return _topicMaps.get(iri);
+ }
+
+ /* (non-Javadoc)
+ * @see org.tmapi.core.TopicMapSystem#getTopicMap(java.lang.String, java.lang.String)
+ */
+ public TopicMap getTopicMap(String reference, String notation) {
+ assert "URI".equals(notation);
+ return getTopicMap(new IRI(reference));
+ }
+
+ /* (non-Javadoc)
+ * @see org.tmapi.core.TopicMapSystem#close()
+ */
+ public void close() {
+ _features = null;
+ _properties = null;
+ _topicMaps = null;
+ _collectionFactory = null;
+ }
+
+}
Property changes on: tinytim/trunk/main/java/org/tinytim/TopicMapSystemImpl.java
___________________________________________________________________
Name: svn:keywords
+ Rev Date Id
Name: svn:eol-style
+ native
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