Java tutorial
/* * Copyright 1999-2006 The Apache Software Foundation. * * Licensed 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.cocoon.components.repository.impl; import java.io.IOException; import java.util.List; import java.util.Map; import java.util.Properties; import java.util.Set; import javax.xml.transform.OutputKeys; import org.apache.avalon.framework.activity.Disposable; import org.apache.avalon.framework.component.Component; import org.apache.avalon.framework.logger.AbstractLogEnabled; import org.apache.avalon.framework.service.ServiceException; import org.apache.avalon.framework.service.ServiceManager; import org.apache.avalon.framework.service.Serviceable; import org.apache.cocoon.ProcessingException; import org.apache.cocoon.components.repository.helpers.CredentialsToken; import org.apache.cocoon.components.repository.helpers.RepositoryPropertyHelper; import org.apache.cocoon.components.source.helpers.SourceProperty; import org.apache.cocoon.components.webdav.WebDAVUtil; import org.apache.cocoon.xml.XMLUtils; import org.apache.commons.httpclient.HttpException; import org.w3c.dom.Node; /** * A property helper class for the WebDAV repository * intended to be used by flowscripts or corresponding wrapper components. */ public class WebDAVRepositoryPropertyHelper extends AbstractLogEnabled implements RepositoryPropertyHelper, Serviceable, Disposable, Component { /* The ServiceManager */ private ServiceManager manager; /* The repository component */ private WebDAVRepository repo; /* The credentials to be used against the WebDAV repository */ private CredentialsToken credentials; /* (non-Javadoc) * @see org.apache.avalon.framework.service.Serviceable#service(org.apache.avalon.framework.service.ServiceManager) */ public void service(ServiceManager manager) throws ServiceException { this.manager = manager; } /* (non-Javadoc) * @see org.apache.avalon.framework.activity.Disposable#dispose() */ public void dispose() { this.manager = null; } /** * create a WebDAVRepositoryPropertyHelper * * @param credentials the user credentials to be used against the WebDAV repository. * @param repo a reference to the WebDAVRepository object. */ public WebDAVRepositoryPropertyHelper(CredentialsToken credentials, WebDAVRepository repo) { this.credentials = credentials; this.repo = repo; } /* (non-Javadoc) * @see org.apache.cocoon.components.repository.helpers.RepositoryPropertyHelper#getProperty(java.lang.String, java.lang.String, java.lang.String) */ public SourceProperty getProperty(String uri, String name, String namespace) { try { return WebDAVUtil.getProperty(this.repo.getAbsoluteURI(uri), name, namespace); } catch (HttpException he) { this.getLogger().error("HTTP Error getting property " + namespace + ":" + name + " for " + uri, he); } catch (IOException ioe) { this.getLogger().error("IO Error getting property " + namespace + ":" + name + " for " + uri, ioe); } return null; } /* (non-Javadoc) * @see org.apache.cocoon.components.repository.helpers.RepositoryPropertyHelper#getProperties(java.lang.String, java.util.Set) */ public Map getProperties(String uri, Set propNames) { try { return WebDAVUtil.getProperties(this.repo.getAbsoluteURI(uri), propNames); } catch (HttpException he) { this.getLogger().error("HTTP Error getting properties for " + uri, he); } catch (IOException ioe) { this.getLogger().error("IO Error getting properties for " + uri, ioe); } return null; } /* (non-Javadoc) * @see org.apache.cocoon.components.repository.helpers.RepositoryPropertyHelper#getAllProperties(java.lang.String) */ public List getAllProperties(String uri) { try { return WebDAVUtil.getAllProperties(this.repo.getAbsoluteURI(uri)); } catch (HttpException he) { this.getLogger().error("HTTP Error getting properties for " + uri, he); } catch (IOException ioe) { this.getLogger().error("IO Error getting properties for " + uri, ioe); } return null; } /* (non-Javadoc) * @see org.apache.cocoon.components.repository.helpers.RepositoryPropertyHelper#setProperty(java.lang.String, java.lang.String, java.lang.String, java.lang.String) */ public boolean setProperty(String uri, String name, String namespace, String value) { try { WebDAVUtil.setProperty(this.repo.getAbsoluteURI(uri), name, namespace, value); return true; } catch (HttpException he) { this.getLogger().error("HTTP Error setting property " + namespace + ":" + name + " for " + uri, he); } catch (IOException ioe) { this.getLogger().error("IO Error setting property " + namespace + ":" + name + " for " + uri, ioe); } return false; } /* (non-Javadoc) * @see org.apache.cocoon.components.repository.helpers.RepositoryPropertyHelper#setProperty(java.lang.String, java.lang.String, java.lang.String, org.w3c.dom.Node) */ public boolean setProperty(String uri, String name, String namespace, Node value) { try { Properties format = new Properties(); format.put(OutputKeys.METHOD, "xml"); format.put(OutputKeys.OMIT_XML_DECLARATION, "yes"); return this.setProperty(uri, name, namespace, XMLUtils.serializeNode(value, format)); } catch (ProcessingException pe) { this.getLogger().error("Error serializing node " + value, pe); } return false; } /* (non-Javadoc) * @see org.apache.cocoon.components.repository.helpers.RepositoryPropertyHelper#setProperties(java.lang.String, java.util.Map) */ public boolean setProperties(final String uri, final Map properties) { try { WebDAVUtil.setProperties(this.repo.getAbsoluteURI(uri), properties); return true; } catch (HttpException he) { this.getLogger().error("HTTP Error setting properties for " + uri, he); } catch (IOException ioe) { this.getLogger().error("IO Error setting properties for " + uri, ioe); } return false; } }