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/*
* RHQ Management Platform
* Copyright (C) 2005-2009 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation, and/or the GNU Lesser
* General Public License, version 2.1, also as published by the Free
* Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License and the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.rhq.plugins.apache.augeas;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import net.augeas.Augeas;
import org.rhq.augeas.AugeasProxy;
import org.rhq.augeas.config.AugeasConfiguration;
import org.rhq.augeas.config.AugeasModuleConfig;
import org.rhq.augeas.node.AugeasNode;
import org.rhq.augeas.tree.AugeasTree;
import org.rhq.augeas.tree.AugeasTreeBuilder;
import org.rhq.augeas.util.Glob;
import org.rhq.rhqtransform.AugeasRhqException;
public class AugeasTreeBuilderApache implements AugeasTreeBuilder {
private Map> includes;
private Map> incl;
private static final String[] NESTED_INCLUDE_DIRECTIVES = { ">();
incl = new HashMap>();
}
public AugeasTree buildTree(AugeasProxy component, AugeasConfiguration config, String name, boolean lazy)
throws AugeasRhqException {
this.ag = component.getAugeas();
AugeasConfigurationApache apacheConfig = (AugeasConfigurationApache) config;
AugeasModuleConfig module = config.getModuleByName(name);
ApacheAugeasTree tree = new ApacheAugeasTree(apacheConfig.getServerRootPath(), component.getAugeas(), module);
List incld = module.getConfigFiles();
if (incld.isEmpty())
throw new AugeasRhqException("No configuration provided.");
String rootPath = incld.get(0);
AugeasNode rootNode = new ApacheAugeasNode(ApacheAugeasTree.AUGEAS_DATA_PATH + rootPath, tree);
tree.setRootNode(rootNode);
File rootFile = new File(apacheConfig.getServerRootPath());
// we need to know which files are related to each glob
for (String inclName : module.getIncludedGlobs()) {
List files = new ArrayList();
if (inclName.indexOf(File.separatorChar) == 0) {
files.add(new File(inclName));
} else
files.addAll(Glob.match(rootFile, inclName));
if (module.getExcludedGlobs() != null)
Glob.excludeAll(files, module.getExcludedGlobs());
if (!includes.containsKey(inclName))
includes.put(inclName, files);
}
updateIncludes((ApacheAugeasNode) rootNode, tree, rootPath, false);
//List rootconf = new ArrayList();
// rootconf.add(ApacheAugeasTree.AUGEAS_DATA_PATH + rootPath);
// this.incl.put(rootNode, rootconf);
tree.setIncludes(this.incl);
return tree;
}
public void updateIncludes(ApacheAugeasNode parentNode, AugeasTree tree, String fileName, boolean update)
throws AugeasRhqException {
List nestedNodes = ag.match(ApacheAugeasTree.AUGEAS_DATA_PATH + fileName + File.separator + "*");
List createdNodes = new ArrayList();
for (String nodeName : nestedNodes) {
ApacheAugeasNode newNode = (ApacheAugeasNode) tree.createNode(nodeName);
newNode.setParentNode(parentNode);
//ApacheAugeasNode newNode = new ApacheAugeasNode(parentNode,tree,nodeName);
createdNodes.add(newNode);
}
if (update)
parentNode.addIncludeNodes(createdNodes);
for (AugeasNode node : createdNodes) {
if (canContainIncludes(node.getLabel())) {
String labelName = node.getLabel()
+ ((node.getSeq() != 0) ? "[" + String.valueOf(node.getSeq()) + "]" : "");
updateIncludes((ApacheAugeasNode) node, tree, fileName + File.separator + labelName, false);
}
if (node.getLabel().equals("Include")) {
String val = ag.get(node.getFullPath() + File.separator + "param");
if (includes.containsKey(val)) {
//include directive contains globNames
List files = includes.get(val);
List names = new ArrayList();
for (File file : files) {
names.add(ApacheAugeasTree.AUGEAS_DATA_PATH + file.getAbsolutePath());
updateIncludes((ApacheAugeasNode) node.getParentNode(), tree, file.getAbsolutePath(), true);
}
if (incl.containsKey(node.getParentNode())) {
List list = incl.get(node.getParentNode());
list.addAll(names);
} else
incl.put(node.getParentNode(), names);
}
}
}
}
private boolean canContainIncludes(String name) {
for (String directive : NESTED_INCLUDE_DIRECTIVES) {
if (directive.equals(name))
return true;
}
return false;
}
}
