froehlich 01/12/17 09:40:34 Added: src/org/apache/cocoon/acting SectionCutterAction.java Log: Applied patch from [EMAIL PROTECTED] (Sergio Carvalho)! New SectionCutterAction NOTE: did a "cosmetic" re-view (code conventions, etc) but no impl. re-view! Revision Changes Path 1.1 xml-cocoon2/src/org/apache/cocoon/acting/SectionCutterAction.java Index: SectionCutterAction.java =================================================================== /** * Copyright (C) The Apache Software Foundation. All rights reserved. * * ------------------------------------------------------------------------- * * This software is published under the terms of the Apache Software License * * version 1.1, a copy of which has been included with this distribution in * * the LICENSE file. * */ package org.apache.cocoon.acting; import org.apache.avalon.framework.configuration.Configuration; import org.apache.avalon.framework.configuration.ConfigurationException; import org.apache.avalon.framework.parameters.Parameters; import org.apache.avalon.framework.thread.ThreadSafe; import org.apache.cocoon.Constants; import org.apache.cocoon.acting.ConfigurableComposerAction; import org.apache.cocoon.environment.Redirector; import org.apache.cocoon.environment.Request; import org.apache.cocoon.environment.Session; import org.apache.cocoon.environment.SourceResolver; import java.util.Collections; import java.util.Dictionary; import java.util.Enumeration; import java.util.HashMap; import java.util.Hashtable; import java.util.Map; import java.util.Vector; /** * An action designed to set any number of variables, based on the current site * section. The action matches the request uri against a configurable set of * regular expressions (note: currently not implemented. Checking the beggining * of the URI). When an expression matches, the action will set the configured * variable in the Map. * * @author <a href="mailto:[EMAIL PROTECTED]?Subject=SectionCutterAction";> * Sergio Carvalho</a> * @version CVS $Revision$ $Date$ */ public class SectionCutterAction extends ConfigurableComposerAction implements ThreadSafe { Vector sections = new Vector(); /** * Description of the Method * * @param conf Description of Parameter * @exception ConfigurationException Description of Exception */ public void configure(Configuration conf) throws ConfigurationException { try { Configuration[] sectionConfigurations; sectionConfigurations = conf.getChildren("section"); for (int i = 0; i < sectionConfigurations.length; i++) { try { if (getLogger().isDebugEnabled()) { getLogger().debug("Creating one section"); } sections.add(new Section(sectionConfigurations[i])); } catch (Exception e) { getLogger().error("Failed configuring section", e); if (getLogger().isDebugEnabled()) { // In production, try to continue. Assume that one rotten section config can't stop the whole app. // When debug is enabled, scream, screech and grind to a halt. throw (e); } } } } catch (Exception e) { throw new ConfigurationException("Cannot configure action", e); } } /** * A simple Action that logs if the <code>Session</code> object has been * created * * @param redirector Description of Parameter * @param resolver Description of Parameter * @param objectModel Description of Parameter * @param src Description of Parameter * @param par Description of Parameter * @return Description of the Returned Value * @exception Exception Description of Exception */ public Map act(Redirector redirector, SourceResolver resolver, Map objectModel, String src, Parameters par) throws Exception { Request request = (Request) objectModel.get(Constants.REQUEST_OBJECT); Map results = new HashMap(); if (request != null) { boolean hasMatched = false; if (getLogger().isDebugEnabled()) { getLogger().debug("Matching against '" + request.getSitemapURI() + "'"); } for (Enumeration sectionsEnum = sections.elements(); sectionsEnum.hasMoreElements() && !hasMatched; ) { Section section = (Section) sectionsEnum.nextElement(); if (section.matches(request.getSitemapURI())) { if (getLogger().isDebugEnabled()) { getLogger().debug("Matched '" + section.matchExpression + "'"); } section.fillMap(results); hasMatched = true; } } } else { getLogger().warn("Request was null"); } return Collections.unmodifiableMap(results); } /** * Description of the Class * * @author subzero * @version */ class Section extends Object { String matchExpression; Dictionary mapVars = new Hashtable(); /** * Constructor for the Section object * * @param conf Description of Parameter * @exception Exception Description of Exception */ public Section(Configuration conf) throws Exception { matchExpression = conf.getAttribute("pattern"); Configuration[] variables; variables = conf.getChildren("set-var"); for (int i = 0; i < variables.length; i++) { mapVars.put(variables[i].getAttribute("name"), variables[i].getAttribute("value")); } } /** * Description of the Method * * @param expression Description of Parameter * @return Description of the Returned Value */ public boolean matches(String expression) { return expression.startsWith(matchExpression); } /** * Description of the Method * * @param map Description of Parameter */ public void fillMap(Map map) { for (Enumeration keys = mapVars.keys(); keys.hasMoreElements(); ) { Object key = keys.nextElement(); Object value = mapVars.get(key); map.put(key, value); } } } }
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