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CleanAll.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
 * Other names may be trademarks of their respective owners.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common
 * Development and Distribution License("CDDL") (collectively, the
 * "License"). You may not use this file except in compliance with the
 * License. You can obtain a copy of the License at
 * http://www.netbeans.org/cddl-gplv2.html
 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
 * specific language governing permissions and limitations under the
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 * Notice in each file and include the License file at
 * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this
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 *
 * The Original Software is NetBeans. The Initial Developer of the Original
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 * If you wish your version of this file to be governed by only the CDDL
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 * "[Contributor] elects to include this software in this distribution
 * under the [CDDL or GPL Version 2] license." If you do not indicate a
 * single choice of license, a recipient has the option to distribute
 * your version of this file under either the CDDL, the GPL Version 2 or
 * to extend the choice of license to its licensees as provided above.
 * However, if you add GPL Version 2 code and therefore, elected the GPL
 * Version 2 license, then the option applies only if the new code is
 * made subject to such option by the copyright holder.
 */

package org.netbeans.nbbuild;

import java.io.File;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;
import java.util.StringTokenizer;
import java.util.Vector;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Target;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.taskdefs.Ant;

/** Runs a clean task (for example) in all submodules.
 *
 * @author Jesse Glick
 */
00064 public class CleanAll extends Task {

    private List<String> modules = new ArrayList<String>();
    private List<String> failedmodules = new ArrayList<String>();
    private String targetname = "clean";
    private File topdir = null;
    private File [] topdirs = null;
    private boolean resolvedependencies = false; // resolve compile-time dependencies for clean
    private String deptargetprefix = "";  // target prefix for resolving dependencies
    private Hashtable targets;
    private boolean failonerror = true; // fail if particular module build failed?
    
    /** Comma-separated list of modules to include. */
00077     public void setModules (String s) {
        StringTokenizer tok = new StringTokenizer (s, ", ");
        modules = new ArrayList<String>();
        while (tok.hasMoreTokens ())
            modules.add(tok.nextToken());
    }
    
    /** Name of the target to run in each module's build script. */ 
00085     public void setTargetname (String s) {
        targetname = s;
    }
    
    /** Prefix of compile targets in current build script for 
      * each module.
      */ 
00092     public void setDepTargetPrefix (String s) {
        deptargetprefix = s;
    }
    
    /** Enable/Disable resolving compile-time dependencies. */
00097     public void setResolveDependencies (boolean b) {
        resolvedependencies = b;
    }
    
    /** Enable/Disable BUILD FAILED, when particular module's 
      * build failed.
      */
00104     public void setFailOnError (boolean b) {
        failonerror = b;
    }
    
    /** The top directory containing these modules as subdirectories. */
00109     public void setTopdir (File f) {
        topdir = f;
    }
    
    public void setTopdirs (String str) {        
        StringTokenizer st = new StringTokenizer(str, ",");
        int count = st.countTokens();
        topdirs = new File [count];
        for (int i = 0; i < count; i++) {
            topdirs[i] = new File (st.nextToken().trim());
        }
    }
 
    /** Resolve compile-time dependencies and use them for cleaning */
00123     private void resolveDependencies () throws BuildException {
        Target dummy = new Target ();
        String dummyName = "nbmerge-" + getOwningTarget().getName();
        targets = getProject().getTargets();
        while (targets.contains (dummyName))
            dummyName += "-x";
        dummy.setName (dummyName);
        for (String module : modules) {
            dummy.addDependency (deptargetprefix + module);
        }
        getProject().addTarget(dummy);
        @SuppressWarnings("unchecked")
        Vector<Target> fullList = getProject().topoSort(dummyName, targets);
        // Now remove earlier ones: already done.
        @SuppressWarnings("unchecked")
        Vector<Target> doneList = getProject().topoSort(getOwningTarget().getName(), targets);
        List<Target> todo = new ArrayList<Target>(fullList.subList(0, fullList.indexOf(dummy)));
        todo.removeAll(doneList.subList(0, doneList.indexOf(getOwningTarget())));

        for (Target t : todo) {
            String _targetname = t.getName();
            if (_targetname.startsWith(deptargetprefix)) {
                String module = _targetname.substring(deptargetprefix.length());
                if (modules.indexOf(module) < 0) {
                    modules.add(module);
                    log("Adding dependency module \"" + module + "\" to the list of modules for cleaning", Project.MSG_VERBOSE);
                }
            }
        }
    }
    
    public void execute () throws BuildException {
        
        if (topdirs == null && topdir != null) {
            topdirs = new File[1];
            topdirs[0] = topdir; 
        }
        
        if (topdir == null && topdirs == null) {
            throw new BuildException("You must set at least one topdir attribute", getLocation());
        }
        
        if (resolvedependencies) resolveDependencies();
            
        for (int j = 0; j < topdirs.length; j++) {
            topdir = topdirs[j];            
            for (String module : modules) {
                Ant ant = (Ant) getProject().createTask("ant");
                ant.init ();                
                ant.setLocation(getLocation());
                File fl = new File(topdir.getAbsolutePath () + 
                    File.separatorChar + module + File.separatorChar + "build.xml");                
                if (! fl.exists()) {                    
                    continue;
                }
                ant.setDir(new File(topdir, module));
                ant.setTarget (targetname);
                try {
                    log("Process '"+ module + "' location with '" + targetname + "' target", Project.MSG_INFO);
                    ant.execute ();
                } catch (BuildException be) {
                    if (failonerror) {
                        throw new BuildException(be.getMessage(), be, getLocation());
                    } else {
                        log("Target \"" + targetname + "\" failed in module \"" + module + "\"", Project.MSG_WARN);
                        log(fl.getAbsolutePath());
                        log(be.getMessage());
                        String fname = fl.getAbsolutePath();
                        failedmodules.add(fname);
                    }
                }
            }
        }
        if (failedmodules.size() > 0) {
            log("<cleanall> SOME MODULES FAILED TO BUILD, BUT THEIR BuildException WAS CAUGHT", Project.MSG_WARN);
            log("<cleanall> cleanfailedmodules=\"" + failedmodules.toString() + "\"", Project.MSG_WARN);
        }
    }
}

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