| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| package org.apache.lenya.cms.repository.metadata.impl; |
| |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.avalon.framework.configuration.Configuration; |
| import org.apache.avalon.framework.configuration.ConfigurationException; |
| import org.apache.avalon.framework.configuration.DefaultConfigurationBuilder; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.excalibur.source.Source; |
| import org.apache.excalibur.source.SourceResolver; |
| import org.apache.lenya.cms.repository.metadata.Element; |
| import org.apache.lenya.cms.repository.metadata.ElementSet; |
| import org.apache.lenya.cms.repository.metadata.MetaDataException; |
| import org.apache.lenya.cms.repository.metadata.MetaDataRegistry; |
| |
| /** |
| * Avalon-based element set. |
| */ |
| public class ConfigurableElementSet implements ElementSet { |
| |
| private static final Log logger = LogFactory.getLog(ConfigurableElementSet.class); |
| |
| private String namespaceUri; |
| private Map<String, Element> elements = new HashMap<String, Element>(); |
| private SourceResolver sourceResolver; |
| private boolean loaded = false; |
| |
| private MetaDataRegistry registry; |
| |
| private String configUri; |
| |
| public void loadConfiguration() throws Exception { |
| |
| if (this.loaded) { |
| return; |
| } |
| this.loaded = true; // fail only once |
| |
| Configuration config; |
| Source source = null; |
| try { |
| source = this.sourceResolver.resolveURI(configUri); |
| DefaultConfigurationBuilder builder = new DefaultConfigurationBuilder(); |
| config = builder.build(source.getInputStream()); |
| } finally { |
| if (source != null) { |
| this.sourceResolver.release(source); |
| } |
| } |
| |
| this.namespaceUri = config.getAttribute("namespace"); |
| |
| Configuration[] attributeConfigs = config.getChildren("element"); |
| for (int i = 0; i < attributeConfigs.length; i++) { |
| String name = attributeConfigs[i].getAttribute("name"); |
| boolean isMultiple = attributeConfigs[i].getAttributeAsBoolean("multiple", false); |
| boolean isEditable = attributeConfigs[i].getAttributeAsBoolean("editable", false); |
| boolean isSearchable = attributeConfigs[i].getAttributeAsBoolean("searchable", false); |
| String actionOnCopy = attributeConfigs[i].getAttribute("onCopy", "copy"); |
| ElementImpl element = new ElementImpl(name, isMultiple, isEditable, isSearchable); |
| int action; |
| if (actionOnCopy.equalsIgnoreCase("copy")) { |
| action = Element.ONCOPY_COPY; |
| } else if (actionOnCopy.equalsIgnoreCase("ignore")) { |
| action = Element.ONCOPY_IGNORE; |
| } else if (actionOnCopy.equalsIgnoreCase("delete")) { |
| action = Element.ONCOPY_DELETE; |
| } else { |
| throw new ConfigurationException("The action [" + actionOnCopy |
| + "] is not supported."); |
| } |
| try { |
| element.setActionOnCopy(action); |
| } catch (MetaDataException e) { |
| throw new RuntimeException(e); |
| } |
| this.elements.put(name, element); |
| } |
| |
| } |
| |
| public Element[] getElements() { |
| Collection<Element> values = this.elements.values(); |
| return (Element[]) values.toArray(new Element[values.size()]); |
| } |
| |
| public Element getElement(String name) { |
| return (Element) this.elements.get(name); |
| } |
| |
| public String getNamespaceUri() { |
| return this.namespaceUri; |
| } |
| |
| public boolean containsElement(String name) { |
| return this.elements.keySet().contains(name); |
| } |
| |
| public void register() throws Exception { |
| loadConfiguration(); |
| this.registry.register(getNamespaceUri(), this); |
| } |
| |
| public void setRegistry(MetaDataRegistry registry) throws MetaDataException { |
| this.registry = registry; |
| } |
| |
| public void setConfigUri(String configUri) throws Exception { |
| this.configUri = configUri; |
| } |
| |
| public void setSourceResolver(SourceResolver sourceResolver) { |
| this.sourceResolver = sourceResolver; |
| } |
| |
| } |