| /* |
| * 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. |
| */ |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.StringTokenizer; |
| |
| import javax.xml.transform.TransformerException; |
| |
| import org.apache.tools.ant.BuildException; |
| import org.apache.tools.ant.Task; |
| import org.apache.xpath.XPathAPI; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.NodeList; |
| import org.xml.sax.SAXException; |
| |
| /** |
| * Set the special attributes for the pooling. |
| * |
| * @since 2.1.5 |
| * @author <a href="mailto:cziegeler@apache.org">Carsten Ziegeler</a> |
| * @version CVS $Id$ |
| */ |
| public final class PoolSetterTask extends Task { |
| |
| private File file; |
| private String element; |
| private boolean isSitemap = true; |
| private String poolMax = "32"; |
| |
| public void setFile(File file) { |
| this.file = file; |
| } |
| |
| public void setElement(String element) { |
| this.element = element; |
| } |
| |
| public void setIsSitemap(boolean value) { |
| this.isSitemap = value; |
| } |
| |
| public void setPoolMax(int value) { |
| this.poolMax = String.valueOf(value); |
| } |
| |
| public void execute() throws BuildException { |
| |
| if (this.file == null) { |
| throw new BuildException("file attribute is required", this.getLocation()); |
| } |
| if (this.element == null) { |
| throw new BuildException("element attribute is required", this.getLocation()); |
| } |
| |
| try { |
| // load xml |
| final Document configuration = DocumentCache.getDocument(this.file, this); |
| |
| // process recursive |
| boolean changed = false; |
| StringTokenizer st = new StringTokenizer(this.element); |
| while ( st.hasMoreTokens() ) { |
| String componentName = st.nextToken(); |
| NodeList nodes; |
| if (this.isSitemap) { |
| int pos = componentName.indexOf(":"); |
| nodes = XPathAPI.selectNodeList(configuration, "*/*[local-name()='components']/*/*[local-name()='"+componentName.substring(0,pos)+"' and @name='"+componentName.substring(pos+1)+"']"); |
| } else { |
| nodes = XPathAPI.selectNodeList(configuration, "*/"+componentName); |
| } |
| if (nodes != null && nodes.getLength() > 0) { |
| for(int i=0; i < nodes.getLength(); i++) { |
| final Element e = (Element)nodes.item(i); |
| e.setAttributeNS(null, "pool-max", this.poolMax); |
| changed = true; |
| } |
| } else { |
| System.out.println("Component not found: " + componentName); |
| } |
| } |
| |
| if ( changed ) { |
| // save xml |
| DocumentCache.writeDocument(this.file, configuration, this); |
| } |
| DocumentCache.storeDocument(this.file, configuration, this); |
| } catch (TransformerException e) { |
| throw new BuildException("TransformerException: " + e); |
| } catch (SAXException e) { |
| throw new BuildException("SAXException: " + e); |
| } catch (IOException ioe) { |
| throw new BuildException("IOException: " + ioe); |
| } |
| } |
| |
| } |