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Sigtest.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 *
 * 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
 * License.  When distributing the software, include this License Header
 * Notice in each file and include the License file at
 * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the GPL Version 2 section of the License file that
 * accompanied this code. If applicable, add the following below the
 * License Header, with the fields enclosed by brackets [] replaced by
 * your own identifying information:
 * "Portions Copyrighted [year] [name of copyright owner]"
 *
 * Contributor(s):
 *
 * The Original Software is NetBeans. The Initial Developer of the Original
 * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
 * Microsystems, Inc. All Rights Reserved.
 *
 * If you wish your version of this file to be governed by only the CDDL
 * or only the GPL Version 2, indicate your decision by adding
 * "[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.io.FileWriter;
import java.io.IOException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.StringTokenizer;
import java.util.zip.ZipFile;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.taskdefs.Java;
import org.apache.tools.ant.types.Commandline;
import org.apache.tools.ant.types.EnumeratedAttribute;
import org.apache.tools.ant.types.FileSet;
import org.apache.tools.ant.types.Path;
import org.apache.tools.ant.types.Reference;

/** Invokes signature tests.
 * @author Michal Zlamal
 */
00064 public class Sigtest extends Task {

    File fileName;
    Path classpath;
    String packages;
    ActionType action;
    File sigtestJar;
    File report;
    boolean failOnError = true;
    String version;
    
    public void setFileName(File f) {
        fileName = f;
    }

    public void setReport(File f) {
        report = f;
    }
    
    public void setPackages(String s) {
        packages = s;
    }

    public void setAction(ActionType s) {
        action = s;
    }

    public void setClasspath(Path p) {
        if (classpath == null) {
            classpath = p;
        } else {
            classpath.append(p);
        }
    }
    public Path createClasspath () {
        if (classpath == null) {
            classpath = new Path(getProject());
        }
        return classpath.createPath();
    }
    public void setClasspathRef(Reference r) {
        createClasspath().setRefid(r);
    }
    public void setVersion(String v) {
        version = v;
    }

    public void setSigtestJar(File f) {
        sigtestJar = f;
    }

    public void setFailOnError(boolean b) {
        failOnError = b;
    }

    @Override
    public void execute() throws BuildException {
        if (fileName == null) {
            throw new BuildException("FileName has to filed", getLocation());
        }
        if (packages == null) {
            throw new BuildException("Packages has to filed", getLocation());
        }
        if (action == null) {
            throw new BuildException("Action has to filed", getLocation());
        }
        if (classpath == null) {
            throw new BuildException("Classpath has to filed", getLocation());
        }
        if (sigtestJar == null) {
            throw new BuildException("SigtestJar has to filed", getLocation());
        }
        
        if (packages.equals("-")) {
            log("No public packages, skipping");
            return;
        }
        
        if (!sigtestJar.exists()) {
            throw new BuildException("Cannot find JAR with testing infrastructure: " + sigtestJar);
        }
        
        try {
            ZipFile zip = new ZipFile(sigtestJar);
            String c2 = "org/netbeans/apitest/Sigtest.class";
            if (zip.getEntry(c2) != null) {
                log("Using " + c2 + " found in " + sigtestJar, Project.MSG_DEBUG);
                zip.close();
                try {
                    apitest();
                } catch (Exception ex) {
                    throw new BuildException(ex);
                }
                return;
            }
            String c1 = "com/sun/tdk/signaturetest/Setup.class";
            if (zip.getEntry(c1) != null) {
                log("Using " + c1 + " found in " + sigtestJar, Project.MSG_DEBUG);
                zip.close();
                tdk();
                return;
            }
            zip.close();
            throw new BuildException("Cannot find " + c1 + " nor " + c2 + " in " + sigtestJar);
        } catch (IOException ex) {
            throw new BuildException(ex);
        }
        
    }

    private void tdk() {
        Java java = new Java();
        java.setProject(getProject());
        Path sigtestPath = new Path(getProject());
        sigtestPath.setLocation(sigtestJar);
        
        java.setClasspath(sigtestPath);
        String a = null;
        if ("strictcheck".equals(action.getValue())) { // NOI18N
            a = "SignatureTest"; // NOI18N
        }
        if ("generate".equals(action.getValue())) { // NOI18N
            a = "Setup"; // NOI18N
        }
        if (a == null) {
            throw new BuildException("Unsupported action " + action + " use: strictcheck or generate");
        }
        java.setClassname("com.sun.tdk.signaturetest." + a);
        Commandline.Argument arg;
        arg = java.createArg();
        arg.setValue("-FileName");
        arg = java.createArg();
        arg.setValue(fileName.getAbsolutePath());
        arg = java.createArg();
        arg.setValue("-Classpath");
        arg = java.createArg();
        {
            Path extracp = new Path(getProject());
            extracp.add(classpath);
            FileSet jdk = new FileSet();
            jdk.setDir(new File(new File(System.getProperty("java.home")), "lib"));
            jdk.setIncludes("*.jar");
            extracp.addFileset(jdk);
            arg.setPath(extracp);
        }
        
        File outputFile = null;
        String s = getProject().getProperty("sigtest.output.dir");
        if (s != null) {
            File dir = getProject().resolveFile(s);
            dir.mkdirs();
            outputFile = new File(dir, fileName.getName().replace(".sig", "").replace("-", "."));
            log(outputFile.toString());
            String email = getProject().getProperty("sigtest.mail");
            if (email != null) {
                try {
                    FileWriter w = new FileWriter(outputFile);
                    w.write("email: ");
                    w.write(email);
                    w.write("\n");
                    w.close();
                } catch (IOException ex) {
                    throw new BuildException(ex);
                }
            }

            java.setAppend(true);
            java.setOutput(outputFile);
            java.setFork(true);
        }
        
        
        arg = java.createArg();
        arg.setLine("-static");
        log("Packages: " + packages);
        StringTokenizer packagesTokenizer = new StringTokenizer(packages,",");
        while (packagesTokenizer.hasMoreTokens()) {
            String p = packagesTokenizer.nextToken().trim();
            String prefix = "-PackageWithoutSubpackages "; // NOI18N
            //Strip the ending ".*"
            int idx = p.lastIndexOf(".*");
            if (idx > 0) {
                p = p.substring(0, idx);
            } else {
                idx = p.lastIndexOf(".**");
                if (idx > 0) {
                    prefix = "-Package "; // NOI18N
                    p = p.substring(0, idx);
                }
            }
            
            arg = java.createArg();
            arg.setLine(prefix + p);
        }
        int returnCode = java.executeJava();
        if (returnCode != 95) {
            if (failOnError && outputFile == null) {
                throw new BuildException("Signature tests return code is wrong (" + returnCode + "), check the messages above. For more info see http://wiki.netbeans.org/wiki/view/SignatureTest", getLocation());
            }
            else {
                log("Signature tests return code is wrong (" + returnCode + "), check the messages above");
            }
        } else {
            if (outputFile != null) {
                outputFile.delete();
            }
        }
    }
    
    private <T> void setM(Task task, String name, Class<? extends T> type, T value) throws Exception {
        log("Delegating " + name + " value: " + value, Project.MSG_DEBUG);
        task.getClass().getMethod(name, type).invoke(task, value);
    }
    private <T> void setM(Task task, String string, T instance) throws Exception {
        setM(task, string, instance.getClass(), instance);
    }
    private <T> T getM(Task task, String name, Class<T> type) throws Exception {
        return type.cast(task.getClass().getMethod(name).invoke(task));
    }
    private void apitest() throws Exception {
        URLClassLoader url = new URLClassLoader(new URL[] { sigtestJar.toURI().toURL() }, Sigtest.class.getClassLoader());
        Class<?> clazz = url.loadClass("org.netbeans.apitest.Sigtest");
        Task task = (Task)clazz.newInstance();
        
        task.setProject(getProject());
        task.setTaskName(getTaskName());
        setM(task, "setFailOnError", boolean.class, failOnError);
        setM(task, "setFileName", File.class, fileName);
        setM(task, "setReport", File.class, report);
        setM(task, "setPackages", String.class, packages);
        setM(task, "setVersion", String.class, version);
        
        Class<?> actionType = url.loadClass("org.netbeans.apitest.Sigtest$ActionType");
        setM(task, "setAction", EnumeratedAttribute.getInstance(actionType, action.getValue()));

        Path path = getM(task, "createClasspath", Path.class);
        path.add(classpath);
        
        File outputFile = null;
        String s = getProject().getProperty("sigtest.output.dir");
        if (s != null) {
            File dir = getProject().resolveFile(s);
            dir.mkdirs();
            outputFile = new File(dir, fileName.getName().replace(".sig", "").replace("-", "."));
            log(outputFile.toString());
//            java.setOutput(outputFile);
        }

        task.execute();
        if (outputFile != null) {
            outputFile.delete();
        }
    }

    public static final class ActionType extends EnumeratedAttribute {
        public String[] getValues () {
            return new String[] { 
                "generate",
                "check",
                "strictcheck",
                "binarycheck",
            };
        }
    }

}

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