jaxb/plugins/org.eclipse.jpt.jaxb.core/src/org/eclipse/jpt/jaxb/core/internal/platform/JaxbPlatformManagerImpl.java - dali/webtools.dali - Git at Google

 /*******************************************************************************
  * Copyright (c) 2010, 2011 Oracle. All rights reserved.
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v1.0, which accompanies this distribution
  * and is available at http://www.eclipse.org/legal/epl-v10.html.
  *
  * Contributors:
  *     Oracle - initial API and implementation
  ******************************************************************************/
 package org.eclipse.jpt.jaxb.core.internal.platform;

 import static org.eclipse.jpt.common.core.internal.utility.XPointTools.*;
 import java.util.ArrayList;
 import java.util.List;
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.runtime.IConfigurationElement;
 import org.eclipse.core.runtime.IExtension;
 import org.eclipse.core.runtime.IExtensionPoint;
 import org.eclipse.core.runtime.IExtensionRegistry;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.jpt.common.core.internal.utility.XPointTools.XPointException;
 import org.eclipse.jpt.common.utility.internal.KeyedSet;
 import org.eclipse.jpt.common.utility.internal.iterables.SuperIterableWrapper;
 import org.eclipse.jpt.jaxb.core.JaxbFacet;
 import org.eclipse.jpt.jaxb.core.JptJaxbCorePlugin;
 import org.eclipse.jpt.jaxb.core.platform.JaxbPlatformDefinition;
 import org.eclipse.jpt.jaxb.core.platform.JaxbPlatformDescription;
 import org.eclipse.jpt.jaxb.core.platform.JaxbPlatformGroupDescription;
 import org.eclipse.jpt.jaxb.core.platform.JaxbPlatformManager;
 import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion;


 public class JaxbPlatformManagerImpl
 		implements JaxbPlatformManager {

 	static final String EXTENSION_POINT_ID = "jaxbPlatforms"; //$NON-NLS-1$
 	static final String QUALIFIED_EXTENSION_POINT_ID = JptJaxbCorePlugin.PLUGIN_ID_ + EXTENSION_POINT_ID;
 	static final String PLATFORM_GROUP_ELEMENT = "jaxbPlatformGroup"; //$NON-NLS-1$
 	static final String PLATFORM_ELEMENT = "jaxbPlatform"; //$NON-NLS-1$
 	static final String ID_ATTRIBUTE = "id"; //$NON-NLS-1$
 	static final String LABEL_ATTRIBUTE = "label"; //$NON-NLS-1$
 	static final String FACTORY_CLASS_ATTRIBUTE = "factoryClass"; //$NON-NLS-1$
 	static final String JAXB_FACET_VERSION_ATTRIBUTE = "jaxbFacetVersion"; //$NON-NLS-1$
 	static final String DEFAULT_ATTRIBUTE = "default"; //$NON-NLS-1$
 	static final String GROUP_ELEMENT = "group";  //$NON-NLS-1$


 	private static final JaxbPlatformManagerImpl INSTANCE = new JaxbPlatformManagerImpl();


 	public static JaxbPlatformManagerImpl instance() {
 		return INSTANCE;
 	}


 	private KeyedSet<String, JaxbPlatformGroupDescriptionImpl> platformGroupDescriptions;
 	private KeyedSet<String, JaxbPlatformDescriptionImpl> platformDescriptions;


 	// ********** constructor/initialization **********

 	private JaxbPlatformManagerImpl() {
 		super();
 		this.platformGroupDescriptions = new KeyedSet<String, JaxbPlatformGroupDescriptionImpl>();
 		this.platformDescriptions = new KeyedSet<String, JaxbPlatformDescriptionImpl>();
 		readExtensions();
 	}


 	private void readExtensions() {
 		final IExtensionRegistry registry = Platform.getExtensionRegistry();

 		final IExtensionPoint xpoint
 				= registry.getExtensionPoint(JptJaxbCorePlugin.PLUGIN_ID, EXTENSION_POINT_ID);

 		if (xpoint == null) {
 			throw new IllegalStateException();
 		}

 		List<IConfigurationElement> platformGroupConfigs = new ArrayList<IConfigurationElement>();
 		List<IConfigurationElement> platformConfigs = new ArrayList<IConfigurationElement>();

 		for (IExtension extension : xpoint.getExtensions()) {
 			for (IConfigurationElement element : extension.getConfigurationElements()) {
 				if (element.getName().equals(PLATFORM_GROUP_ELEMENT)) {
 					platformGroupConfigs.add(element);
 				}
 				else if (element.getName().equals(PLATFORM_ELEMENT)) {
 					platformConfigs.add(element);
 				}
 			}
 		}

 		for (IConfigurationElement element : platformGroupConfigs) {
 			readPlatformGroupExtension(element);
 		}

 		for (IConfigurationElement element : platformConfigs) {
 			readPlatformExtension(element);
 		}
 	}

 	private void readPlatformGroupExtension(IConfigurationElement element) {
 		try {
 			final JaxbPlatformGroupDescriptionImpl desc = new JaxbPlatformGroupDescriptionImpl();

 			// plug-in id
 			desc.setPluginId(element.getContributor().getName());

 			// id
 			desc.setId(findRequiredAttribute(element, ID_ATTRIBUTE));

 			if (this.platformGroupDescriptions.containsKey(desc.getId())) {
 				logDuplicateExtension(QUALIFIED_EXTENSION_POINT_ID, ID_ATTRIBUTE, desc.getId());
 				throw new XPointException();
 			}

 			// label
 			desc.setLabel(findRequiredAttribute(element, LABEL_ATTRIBUTE));

 			this.platformGroupDescriptions.addItem(desc.getId(), desc);
 		}
 		catch (XPointException e) {
 			// Ignore and continue. The problem has already been reported to the user
 			// in the log.
 		}
 	}

 	private void readPlatformExtension(IConfigurationElement element) {
 		try {
 			final JaxbPlatformDescriptionImpl desc = new JaxbPlatformDescriptionImpl();

 			// plug-in id
 			desc.setPluginId(element.getContributor().getName());

 			// id
 			desc.setId(findRequiredAttribute(element, ID_ATTRIBUTE));

 			if (this.platformDescriptions.containsKey(desc.getId())) {
 				logDuplicateExtension(QUALIFIED_EXTENSION_POINT_ID, ID_ATTRIBUTE, desc.getId());
 				throw new XPointException();
 			}

 			// label
 			desc.setLabel(findRequiredAttribute(element, LABEL_ATTRIBUTE));

 			// factory class
 			desc.setFactoryClassName(findRequiredAttribute(element, FACTORY_CLASS_ATTRIBUTE));

 			// JAXB facet version
 			String jaxbFacetVersionString = element.getAttribute(JAXB_FACET_VERSION_ATTRIBUTE);
 			if (jaxbFacetVersionString != null) {
 				IProjectFacetVersion jpaFacetVersion = JaxbFacet.FACET.getVersion(jaxbFacetVersionString);
 				if (jpaFacetVersion != null) {
 					desc.setJaxbFacetVersion(jpaFacetVersion);
 				}
 				else {
 					logInvalidValue(element, JAXB_FACET_VERSION_ATTRIBUTE, jaxbFacetVersionString);
 					throw new XPointException();
 				}
 			}

 			// default
 			String defaultString = element.getAttribute(DEFAULT_ATTRIBUTE);
 			if (defaultString != null) {
 				if (defaultString.equals("true")) { //$NON-NLS-1$
 					desc.setDefault(true);
 				}
 				else if (defaultString.equals("false")) { //$NON-NLS-1$
 					desc.setDefault(false);
 				}
 				else {
 					logInvalidValue(element, DEFAULT_ATTRIBUTE, defaultString);
 					throw new XPointException();
 				}
 			}

 			// group
 			String groupId = element.getAttribute(GROUP_ELEMENT);
 			if (groupId != null) {
 				JaxbPlatformGroupDescriptionImpl group = this.platformGroupDescriptions.getItem(groupId);
 				if (group != null) {
 					desc.setGroup(group);
 					group.addPlatform(desc);
 				}
 				else {
 					logInvalidValue(element, GROUP_ELEMENT, groupId);
 					throw new XPointException();
 				}
 			}
 			else {
 				JaxbPlatformGroupDescriptionImpl group = new JaxbPlatformGroupDescriptionImpl();
 				group.setPluginId(desc.getPluginId());
 				group.setId(desc.getId());
 				group.setLabel(desc.getLabel());
 				group.addPlatform(desc);

 				if (this.platformGroupDescriptions.containsKey(group.getId())) {
 					logInvalidValue(element, GROUP_ELEMENT, groupId);
 					throw new XPointException();
 				}

 				this.platformGroupDescriptions.addItem(group.getId(), group);
 			}

 			this.platformDescriptions.addItem(desc.getId(), desc);
 		}
 		catch (XPointException e) {
 			// Ignore and continue. The problem has already been reported to the user
 			// in the log.
 		}
 	}


 	// ********** public methods **********

 	public Iterable<JaxbPlatformGroupDescription> getJaxbPlatformGroups() {
 		return new SuperIterableWrapper<JaxbPlatformGroupDescription>(this.platformGroupDescriptions.getItemSet());
 	}

 	public JaxbPlatformGroupDescription getJaxbPlatformGroup(String groupId) {
 		return this.platformGroupDescriptions.getItem(groupId);
 	}

 	public Iterable<JaxbPlatformDescription> getJaxbPlatforms() {
 		return new SuperIterableWrapper<JaxbPlatformDescription>(this.platformDescriptions.getItemSet());
 	}

 	public JaxbPlatformDescription getJaxbPlatform(String platformId) {
 		return this.platformDescriptions.getItem(platformId);
 	}

 	public JaxbPlatformDescription getDefaultJaxbPlatform(IProjectFacetVersion jaxbFacetVersion) {
 		if (! jaxbFacetVersion.getProjectFacet().equals(JaxbFacet.FACET)) {
 			throw new IllegalArgumentException(jaxbFacetVersion.toString());
 		}
 		for (JaxbPlatformDescription platform : getJaxbPlatforms()) {
 			if (platform.isDefault() && platform.supportsJaxbFacetVersion(jaxbFacetVersion)) {
 				return platform;
 			}
 		}
 		return null;
 	}

 	public JaxbPlatformDefinition buildJaxbPlatformDefinition(IProject project) {
 		String jaxbPlatformId = JptJaxbCorePlugin.getJaxbPlatformId(project);
 		JaxbPlatformDescriptionImpl platformDesc = this.platformDescriptions.getItem(jaxbPlatformId);
 		if (platformDesc == null) {
 			throw new IllegalArgumentException("Project does not have a recognized JAXB platform."); //$NON-NLS-1$
 		}
 		return platformDesc.buildJaxbPlatformDefinition();
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2010, 2011 Oracle. All rights reserved.
	* This program and the accompanying materials are made available under the
	* terms of the Eclipse Public License v1.0, which accompanies this distribution
	* and is available at http://www.eclipse.org/legal/epl-v10.html.
	*
	* Contributors:
	* Oracle - initial API and implementation
	******************************************************************************/
	package org.eclipse.jpt.jaxb.core.internal.platform;

	import static org.eclipse.jpt.common.core.internal.utility.XPointTools.*;
	import java.util.ArrayList;
	import java.util.List;
	import org.eclipse.core.resources.IProject;
	import org.eclipse.core.runtime.IConfigurationElement;
	import org.eclipse.core.runtime.IExtension;
	import org.eclipse.core.runtime.IExtensionPoint;
	import org.eclipse.core.runtime.IExtensionRegistry;
	import org.eclipse.core.runtime.Platform;
	import org.eclipse.jpt.common.core.internal.utility.XPointTools.XPointException;
	import org.eclipse.jpt.common.utility.internal.KeyedSet;
	import org.eclipse.jpt.common.utility.internal.iterables.SuperIterableWrapper;
	import org.eclipse.jpt.jaxb.core.JaxbFacet;
	import org.eclipse.jpt.jaxb.core.JptJaxbCorePlugin;
	import org.eclipse.jpt.jaxb.core.platform.JaxbPlatformDefinition;
	import org.eclipse.jpt.jaxb.core.platform.JaxbPlatformDescription;
	import org.eclipse.jpt.jaxb.core.platform.JaxbPlatformGroupDescription;
	import org.eclipse.jpt.jaxb.core.platform.JaxbPlatformManager;
	import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion;


	public class JaxbPlatformManagerImpl
	implements JaxbPlatformManager {

	static final String EXTENSION_POINT_ID = "jaxbPlatforms"; //$NON-NLS-1$
	static final String QUALIFIED_EXTENSION_POINT_ID = JptJaxbCorePlugin.PLUGIN_ID_ + EXTENSION_POINT_ID;
	static final String PLATFORM_GROUP_ELEMENT = "jaxbPlatformGroup"; //$NON-NLS-1$
	static final String PLATFORM_ELEMENT = "jaxbPlatform"; //$NON-NLS-1$
	static final String ID_ATTRIBUTE = "id"; //$NON-NLS-1$
	static final String LABEL_ATTRIBUTE = "label"; //$NON-NLS-1$
	static final String FACTORY_CLASS_ATTRIBUTE = "factoryClass"; //$NON-NLS-1$
	static final String JAXB_FACET_VERSION_ATTRIBUTE = "jaxbFacetVersion"; //$NON-NLS-1$
	static final String DEFAULT_ATTRIBUTE = "default"; //$NON-NLS-1$
	static final String GROUP_ELEMENT = "group"; //$NON-NLS-1$


	private static final JaxbPlatformManagerImpl INSTANCE = new JaxbPlatformManagerImpl();


	public static JaxbPlatformManagerImpl instance() {
	return INSTANCE;
	}


	private KeyedSet<String, JaxbPlatformGroupDescriptionImpl> platformGroupDescriptions;
	private KeyedSet<String, JaxbPlatformDescriptionImpl> platformDescriptions;


	// ******** constructor/initialization ********

	private JaxbPlatformManagerImpl() {
	super();
	this.platformGroupDescriptions = new KeyedSet<String, JaxbPlatformGroupDescriptionImpl>();
	this.platformDescriptions = new KeyedSet<String, JaxbPlatformDescriptionImpl>();
	readExtensions();
	}


	private void readExtensions() {
	final IExtensionRegistry registry = Platform.getExtensionRegistry();

	final IExtensionPoint xpoint
	= registry.getExtensionPoint(JptJaxbCorePlugin.PLUGIN_ID, EXTENSION_POINT_ID);

	if (xpoint == null) {
	throw new IllegalStateException();
	}

	List<IConfigurationElement> platformGroupConfigs = new ArrayList<IConfigurationElement>();
	List<IConfigurationElement> platformConfigs = new ArrayList<IConfigurationElement>();

	for (IExtension extension : xpoint.getExtensions()) {
	for (IConfigurationElement element : extension.getConfigurationElements()) {
	if (element.getName().equals(PLATFORM_GROUP_ELEMENT)) {
	platformGroupConfigs.add(element);
	}
	else if (element.getName().equals(PLATFORM_ELEMENT)) {
	platformConfigs.add(element);
	}
	}
	}

	for (IConfigurationElement element : platformGroupConfigs) {
	readPlatformGroupExtension(element);
	}

	for (IConfigurationElement element : platformConfigs) {
	readPlatformExtension(element);
	}
	}

	private void readPlatformGroupExtension(IConfigurationElement element) {
	try {
	final JaxbPlatformGroupDescriptionImpl desc = new JaxbPlatformGroupDescriptionImpl();

	// plug-in id
	desc.setPluginId(element.getContributor().getName());

	// id
	desc.setId(findRequiredAttribute(element, ID_ATTRIBUTE));

	if (this.platformGroupDescriptions.containsKey(desc.getId())) {
	logDuplicateExtension(QUALIFIED_EXTENSION_POINT_ID, ID_ATTRIBUTE, desc.getId());
	throw new XPointException();
	}

	// label
	desc.setLabel(findRequiredAttribute(element, LABEL_ATTRIBUTE));

	this.platformGroupDescriptions.addItem(desc.getId(), desc);
	}
	catch (XPointException e) {
	// Ignore and continue. The problem has already been reported to the user
	// in the log.
	}
	}

	private void readPlatformExtension(IConfigurationElement element) {
	try {
	final JaxbPlatformDescriptionImpl desc = new JaxbPlatformDescriptionImpl();

	// plug-in id
	desc.setPluginId(element.getContributor().getName());

	// id
	desc.setId(findRequiredAttribute(element, ID_ATTRIBUTE));

	if (this.platformDescriptions.containsKey(desc.getId())) {
	logDuplicateExtension(QUALIFIED_EXTENSION_POINT_ID, ID_ATTRIBUTE, desc.getId());
	throw new XPointException();
	}

	// label
	desc.setLabel(findRequiredAttribute(element, LABEL_ATTRIBUTE));

	// factory class
	desc.setFactoryClassName(findRequiredAttribute(element, FACTORY_CLASS_ATTRIBUTE));

	// JAXB facet version
	String jaxbFacetVersionString = element.getAttribute(JAXB_FACET_VERSION_ATTRIBUTE);
	if (jaxbFacetVersionString != null) {
	IProjectFacetVersion jpaFacetVersion = JaxbFacet.FACET.getVersion(jaxbFacetVersionString);
	if (jpaFacetVersion != null) {
	desc.setJaxbFacetVersion(jpaFacetVersion);
	}
	else {
	logInvalidValue(element, JAXB_FACET_VERSION_ATTRIBUTE, jaxbFacetVersionString);
	throw new XPointException();
	}
	}

	// default
	String defaultString = element.getAttribute(DEFAULT_ATTRIBUTE);
	if (defaultString != null) {
	if (defaultString.equals("true")) { //$NON-NLS-1$
	desc.setDefault(true);
	}
	else if (defaultString.equals("false")) { //$NON-NLS-1$
	desc.setDefault(false);
	}
	else {
	logInvalidValue(element, DEFAULT_ATTRIBUTE, defaultString);
	throw new XPointException();
	}
	}

	// group
	String groupId = element.getAttribute(GROUP_ELEMENT);
	if (groupId != null) {
	JaxbPlatformGroupDescriptionImpl group = this.platformGroupDescriptions.getItem(groupId);
	if (group != null) {
	desc.setGroup(group);
	group.addPlatform(desc);
	}
	else {
	logInvalidValue(element, GROUP_ELEMENT, groupId);
	throw new XPointException();
	}
	}
	else {
	JaxbPlatformGroupDescriptionImpl group = new JaxbPlatformGroupDescriptionImpl();
	group.setPluginId(desc.getPluginId());
	group.setId(desc.getId());
	group.setLabel(desc.getLabel());
	group.addPlatform(desc);

	if (this.platformGroupDescriptions.containsKey(group.getId())) {
	logInvalidValue(element, GROUP_ELEMENT, groupId);
	throw new XPointException();
	}

	this.platformGroupDescriptions.addItem(group.getId(), group);
	}

	this.platformDescriptions.addItem(desc.getId(), desc);
	}
	catch (XPointException e) {
	// Ignore and continue. The problem has already been reported to the user
	// in the log.
	}
	}


	// ******** public methods ********

	public Iterable<JaxbPlatformGroupDescription> getJaxbPlatformGroups() {
	return new SuperIterableWrapper<JaxbPlatformGroupDescription>(this.platformGroupDescriptions.getItemSet());
	}

	public JaxbPlatformGroupDescription getJaxbPlatformGroup(String groupId) {
	return this.platformGroupDescriptions.getItem(groupId);
	}

	public Iterable<JaxbPlatformDescription> getJaxbPlatforms() {
	return new SuperIterableWrapper<JaxbPlatformDescription>(this.platformDescriptions.getItemSet());
	}

	public JaxbPlatformDescription getJaxbPlatform(String platformId) {
	return this.platformDescriptions.getItem(platformId);
	}

	public JaxbPlatformDescription getDefaultJaxbPlatform(IProjectFacetVersion jaxbFacetVersion) {
	if (! jaxbFacetVersion.getProjectFacet().equals(JaxbFacet.FACET)) {
	throw new IllegalArgumentException(jaxbFacetVersion.toString());
	}
	for (JaxbPlatformDescription platform : getJaxbPlatforms()) {
	if (platform.isDefault() && platform.supportsJaxbFacetVersion(jaxbFacetVersion)) {
	return platform;
	}
	}
	return null;
	}

	public JaxbPlatformDefinition buildJaxbPlatformDefinition(IProject project) {
	String jaxbPlatformId = JptJaxbCorePlugin.getJaxbPlatformId(project);
	JaxbPlatformDescriptionImpl platformDesc = this.platformDescriptions.getItem(jaxbPlatformId);
	if (platformDesc == null) {
	throw new IllegalArgumentException("Project does not have a recognized JAXB platform."); //$NON-NLS-1$
	}
	return platformDesc.buildJaxbPlatformDefinition();
	}
	}