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/*******************************************************************************
* Copyright (c) 2004, 2008 Tasktop Technologies and others.
* 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:
* Tasktop Technologies - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.bugs;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
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.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
import org.eclipse.mylyn.commons.core.StatusHandler;
/**
* @author Steffen Pingel
*/
public class PluginRepositoryMappingManager {
private static final String[] MAPPING_CHILD_ELEMENTS = new String[] { IRepositoryConstants.PRODUCT,
IRepositoryConstants.COMPONENT };
private static final String EXTENSION_ID_PLUGIN_REPOSITORY_MAPPING = "org.eclipse.mylyn.tasks.bugs.pluginRepositoryMappings"; //$NON-NLS-1$
private static final String ELEMENT_MAPPING = "mapping"; //$NON-NLS-1$
private static final String ELEMENT_BRANDING = "branding"; //$NON-NLS-1$
private static final String ELEMENT_REPOSITORY = "repository"; //$NON-NLS-1$
private static final String ATTRIBUTE_PLUGIN_ID_PREFIX = "pluginIdPrefix"; //$NON-NLS-1$
private static final String ATTRIBUTE_REPOSITORY_URL = "url"; //$NON-NLS-1$
private static final String ATTRIBUTE_REPOSITORY_KIND = "kind"; //$NON-NLS-1$
private static final String ATTRIBUTE_BRANDING_NAME = "name"; //$NON-NLS-1$
private static final String ATTRIBUTE_BRANDING_DESCRIPTION = "description"; //$NON-NLS-1$
private static final String ATTRIBUTE_BRANDING_CATEGORY = "category"; //$NON-NLS-1$
private static final String ATTRIBUTE_VALUE = "value"; //$NON-NLS-1$
private TreeMap<String, PluginRepositoryMapping> mappingByPrefix;
public PluginRepositoryMappingManager() {
readExtensions();
}
private void readMapping(IConfigurationElement element) {
String pluginIdPrefix = element.getAttribute(ATTRIBUTE_PLUGIN_ID_PREFIX);
Map<String, String> attributes = new HashMap<String, String>();
// repository
for (IConfigurationElement attributeElement : element.getChildren(ELEMENT_REPOSITORY)) {
String repositoryUrl = attributeElement.getAttribute(ATTRIBUTE_REPOSITORY_URL);
attributes.put(IRepositoryConstants.REPOSITORY_URL, repositoryUrl);
String connectorKind = attributeElement.getAttribute(ATTRIBUTE_REPOSITORY_KIND);
attributes.put(IRepositoryConstants.CONNECTOR_KIND, connectorKind);
}
// attributes
for (String elementName : MAPPING_CHILD_ELEMENTS) {
for (IConfigurationElement attributeElement : element.getChildren(elementName)) {
String value = attributeElement.getAttribute(ATTRIBUTE_VALUE);
attributes.put(elementName, value);
}
}
// branding
for (IConfigurationElement attributeElement : element.getChildren(ELEMENT_BRANDING)) {
attributes.put("brandingName", attributeElement.getAttribute(ATTRIBUTE_BRANDING_NAME)); //$NON-NLS-1$
String description = attributeElement.getAttribute(ATTRIBUTE_BRANDING_DESCRIPTION);
if (description != null) {
attributes.put("brandingDescription", description); //$NON-NLS-1$
}
String category = attributeElement.getAttribute(ATTRIBUTE_BRANDING_CATEGORY);
if (category != null) {
attributes.put("brandingCategory", category); //$NON-NLS-1$
}
}
if (!attributes.isEmpty()) {
PluginRepositoryMapping pluginRepositoryMapping = new PluginRepositoryMapping();
pluginRepositoryMapping.addAttributes(attributes);
pluginRepositoryMapping.addPrefix(pluginIdPrefix);
addPluginRepositoryMapping(pluginRepositoryMapping);
} else {
StatusHandler.log(new Status(IStatus.ERROR, TasksBugsPlugin.ID_PLUGIN, "Missing attributes in " //$NON-NLS-1$
+ EXTENSION_ID_PLUGIN_REPOSITORY_MAPPING + " extension for id \"" + ATTRIBUTE_PLUGIN_ID_PREFIX //$NON-NLS-1$
+ "\"")); //$NON-NLS-1$
}
}
private void addPluginRepositoryMapping(PluginRepositoryMapping pluginRepositoryMapping) {
List<String> prefixs = pluginRepositoryMapping.getPrefixes();
for (String prefix : prefixs) {
mappingByPrefix.put(prefix, pluginRepositoryMapping);
}
}
private synchronized void readExtensions() {
mappingByPrefix = new TreeMap<String, PluginRepositoryMapping>();
IExtensionRegistry registry = Platform.getExtensionRegistry();
IExtensionPoint extensionPoint = registry.getExtensionPoint(EXTENSION_ID_PLUGIN_REPOSITORY_MAPPING);
IExtension[] extensions = extensionPoint.getExtensions();
for (IExtension extension : extensions) {
IConfigurationElement[] elements = extension.getConfigurationElements();
for (IConfigurationElement element : elements) {
if (element.getName().equals(ELEMENT_MAPPING)) {
readMapping(element);
}
}
}
}
public PluginRepositoryMapping getMapping(String prefix) {
return mappingByPrefix.get(prefix);
}
public String getAttribute(String prefix, String key) {
for (int i = prefix.length() - 1; i >= 0; i--) {
PluginRepositoryMapping mapping = getMapping(prefix.substring(0, i));
if (mapping != null) {
String value = mapping.getAttributes().get(key);
if (value != null) {
return value;
}
}
}
return null;
}
public Map<String, String> getAllAttributes(String prefix) {
Map<String, String> attributes = new HashMap<String, String>();
for (int i = 0; i <= prefix.length(); i++) {
PluginRepositoryMapping mapping = getMapping(prefix.substring(0, i));
if (mapping != null) {
attributes.putAll(mapping.getAttributes());
}
}
return attributes;
}
public boolean hasMappings() {
return !mappingByPrefix.isEmpty();
}
}
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