keith       02/05/15 20:15:13

  Modified:    .        build.xml
  Added:       src/share/org/apache/tomcat/ant Tomcat3JSPVersionFile.java
                        Tomcat3Precompiler.java ant.properties
  Log:
  Add Tomcat related Ant tasks for precompiling JSPs.
  
  Revision  Changes    Path
  1.178     +25 -1     jakarta-tomcat/build.xml
  
  Index: build.xml
  ===================================================================
  RCS file: /home/cvs/jakarta-tomcat/build.xml,v
  retrieving revision 1.177
  retrieving revision 1.178
  diff -u -r1.177 -r1.178
  --- build.xml 24 Apr 2002 12:26:23 -0000      1.177
  +++ build.xml 16 May 2002 03:15:13 -0000      1.178
  @@ -590,7 +590,7 @@
       </jar>
     </target>
   
  -  <target name="tomcat-jars" 
depends="prepare,dep.tomcat-util,tomcat_util,stop-tomcat.jar,tomcat_core,jasper,tomcat_modules,tomcat.jar,facade22,tomcat-startup">
  +  <target name="tomcat-jars" 
depends="prepare,dep.tomcat-util,tomcat_util,stop-tomcat.jar,tomcat_core,jasper,tomcat_modules,tomcat.jar,facade22,tomcat-startup,tomcat-ant">
     </target>
   
     <target name="tomcat-jars-new" depends="tomcat-jars">
  @@ -599,6 +599,30 @@
     <!-- ==================== J2EE integration ========== -->
     <target name="j2ee">
       <ant antfile="src/j2ee/build.xml" target="tomcat-j2ee.jar"/>
  +  </target>
  +
  +  
  +  <!-- ==================== Ant utilities ========== -->
  +  <target name="tomcat-ant" >
  +    <javac srcdir="src/share"
  +           destdir="${tomcat.build}/classes" >
  +       <include name="org/apache/tomcat/ant/*.java" />
  +       <classpath>
  +          <pathelement path="${ant.lib}/ant.jar" />
  +          <pathelement path="${ant.lib}/ant-optional.jar" />
  +          <pathelement path="${ant.lib}/optional.jar" />
  +       </classpath>
  +    </javac>
  +    <mkdir dir="${tomcat.build}/ant" />
  +    <jar jarfile="${tomcat.build}/ant/tomcat-ant.jar"
  +         basedir="${tomcat.build}/classes">
  +       <include name="org/apache/tomcat/ant/**" />
  +    </jar> 
  +    <jar jarfile="${tomcat.build}/ant/tomcat-ant.jar"
  +         basedir="src/share/org/apache/tomcat/ant"
  +         update="yes">
  +       <include name="*.properties" />
  +    </jar>
     </target>
   
     <!-- ==================== Build all web applications ==================== -->
  
  
  
  1.1                  
jakarta-tomcat/src/share/org/apache/tomcat/ant/Tomcat3JSPVersionFile.java
  
  Index: Tomcat3JSPVersionFile.java
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2002 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Ant", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact [EMAIL PROTECTED]
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  package org.apache.tomcat.ant;
  
  import java.io.File;
  import java.io.FileOutputStream;
  import java.io.FileInputStream;
  import java.io.IOException;
  import java.util.Vector;
  import org.apache.tools.ant.BuildException;
  import org.apache.tools.ant.DirectoryScanner;
  import org.apache.tools.ant.Project;
  import org.apache.tools.ant.Task;
  import org.apache.tools.ant.util.regexp.RegexpMatcher;
  import org.apache.tools.ant.util.regexp.RegexpMatcherFactory;
  
  /**
   * Task to create version files used by Tomcat to determine the
   * appropriate class to load for a JSP.
   *
   * This task can accept the following attribute:
   * <ul>
   * <li>srcdir
   * </ul>
   * <b>srcdir</b> is required.
   * <p>
   * When this task executes, it will scan the files in srcdir which have
   * the form <i>name_nnn.class</i>.  For each class, if a corresponding
   * version file of the form <i>name.ver</i> does not exist, it is created
   * with version <i>nnn</i>.  If the version file exists, this task verifies that
   * it contains the correct version <i>nnn</i>.  If not, a new version file is 
   * created.
   *
   * <p>Use this task with the Tomcat3Precompiler to create the appropriate
   * files to pre-populate the Tomcat work directory.
   *
   * @author Keith Wannamaker <a href="mailto:[EMAIL PROTECTED]";>[EMAIL PROTECTED]</a>
   *
   * @version $Revision: 1.1 $
   *
   * @since Ant 1.6
   *
   */
  public class Tomcat3JSPVersionFile extends Task {
      private File srcdir;
      private RegexpMatcherFactory factory = new RegexpMatcherFactory();
  
      /** Setter for srcdir */
      public void setSrcdir(String srcdir) {
          this.srcdir = new File(srcdir);
      }
  
      /** Execute the task */
      public void execute() throws BuildException {
          if (srcdir == null) {
              throw new BuildException("srcdir attribute required", location);
          }
          DirectoryScanner ds = new DirectoryScanner();
          ds.setIncludes(new String [] {"**_?*.class"});
          ds.setBasedir(srcdir);
          ds.setCaseSensitive(true);
          ds.scan();
          String[] files = ds.getIncludedFiles();
          int count = 0;
          for (int i = 0; i < files.length; i++) {
              RegexpMatcher rm = factory.newRegexpMatcher();
              rm.setPattern("(.*)_(\\d*).class");
              if (rm.matches(files[i])) {
                  Vector components = rm.getGroups(files[i]);
                  String base = (String) components.elementAt(1);
                  String strVersion = (String) components.elementAt(2);
                  int version = new Integer(strVersion).intValue();
                  File verFile = new File(srcdir, base + ".ver");
                  try {
                      if (verFile.exists()) {
                          if (readVersionFile(verFile) == version) {
                              continue;
                          }
                      }
                      log("Creating verion file " + verFile.getAbsolutePath(), 
                         Project.MSG_VERBOSE);
                      count++;
                      writeVersionFile(verFile, version);
                  } catch (IOException ioe) {
                      throw new BuildException(ioe);
                  }
              }
          }
          log("Created " + count + " version file" + ((count != 1) ? "s" : ""));
      }
  
      /**
       * Read Tomcat 3 version file
       */
      private int readVersionFile(File verFile) throws IOException {
          FileInputStream stream = new FileInputStream(verFile);
          try {
              return (int) stream.read();
          } finally {
              stream.close();
          }
      }
  
      /**
       * Write Tomcat 3 version file
       */
      private void writeVersionFile(File verFile, int version) throws IOException {
          FileOutputStream stream = new FileOutputStream(verFile);
          try {
            stream.write(version);
          } finally {
            stream.close();
          }
      }
  
  }
  
  
  
  
  1.1                  
jakarta-tomcat/src/share/org/apache/tomcat/ant/Tomcat3Precompiler.java
  
  Index: Tomcat3Precompiler.java
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2001-2002 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Ant", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact [EMAIL PROTECTED]
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  package org.apache.tomcat.ant;
  
  import org.apache.tools.ant.BuildException;
  import org.apache.tools.ant.Project;
  import org.apache.tools.ant.types.Commandline;
  import org.apache.tools.ant.types.Path;
  import org.apache.tools.ant.taskdefs.optional.jsp.JspC;
  import org.apache.tools.ant.taskdefs.optional.jsp.JspMangler;
  import org.apache.tools.ant.taskdefs.optional.jsp.JspNameMangler;
  import 
org.apache.tools.ant.taskdefs.optional.jsp.compilers.DefaultJspCompilerAdapter;
  import org.apache.tools.ant.taskdefs.Java;
  
  import java.io.File;
  import java.util.Enumeration;
  import java.util.Vector;
  
  /**
   * This compiler adaptor builds jsps with a naming convention that is
   * ready-to-use by Tomcat 3.x.  Files are compiled from <i>foo.jsp</i>
   * to <i>foo_1.java</i>.
   *
   * <p>Use this task with the Tomcat3JSPVersionFile to create the appropriate
   * files to pre-populate the Tomcat work directory.
   *
   * @author Keith Wannamaker <a href="mailto:[EMAIL PROTECTED]";>[EMAIL PROTECTED]</a>
   * @since ant1.6
   */
  public class Tomcat3Precompiler extends DefaultJspCompilerAdapter {
      /**
       * our execute method which does dependency checks
       */
      public boolean execute()
          throws BuildException {
          getJspc().log("Using Tomcat 3 precompiler", Project.MSG_VERBOSE);
  
          Vector sources = getJspc().getCompileList();
          Enumeration enum = sources.elements();
          while (enum.hasMoreElements()) {
              Commandline cmd = setupJasperCommand();
              String source = (String) enum.nextElement();
              String base = getBase(source);
              addArg(cmd, "-c", base + "_1");
              cmd.createArgument().setValue(source);
              compile(cmd);
          }
          return true;
      }
  
      /** Execute Jasper */
      private boolean compile(Commandline cmd) throws BuildException {        
          try {
              // Create an instance of the compiler, redirecting output to
              // the project log
              // REVISIT. ugly. 
              Java java = (Java) (getJspc().getProject()).createTask("java");
              if (getJspc().getClasspath() != null) {
                  java.setClasspath(getJspc().getClasspath());
              } else {
                  java.setClasspath(Path.systemClasspath);
              }
              java.setClassname("org.apache.jasper.JspC");
              String args[] = cmd.getArguments();
              for (int i = 0; i < args.length; i++) {
                  java.createArg().setValue(args[i]);
              }
              java.setFailonerror(getJspc().getFailonerror());
              //don't fork
              java.setFork(false);
              java.execute();
              return true;
          } catch (Exception ex) {
              //@todo implement failonerror support here?
              if (ex instanceof BuildException) {
                  throw (BuildException) ex;
              } else {
                  throw new BuildException("Error running jsp compiler: ",
                                           ex, getJspc().getLocation());
              }
          } finally {
              getJspc().deleteEmptyJavaFiles();
          }
      }
      
      /**
       * Returns filename sans extension and prefix
       */
      private String getBase(String filename) {
          int lastslash = filename.lastIndexOf('/');
          if (lastslash == -1) {
              lastslash = 0;
          }
          int lastdot = filename.lastIndexOf('.');
          if (lastdot == -1) {
              lastdot = filename.length();
          }
          return filename.substring(lastslash + 1, lastdot);
      }
  
      /**
       * build up a command line
       * @return a command line for jasper
       */
      private Commandline setupJasperCommand() {
          Commandline cmd = new Commandline();
          JspC jspc = getJspc();
          addArg(cmd, "-d", jspc.getDestdir());
          addArg(cmd, "-p", jspc.getPackage());
          addArg(cmd, "-v" + jspc.getVerbose());
          addArg(cmd, "-uriroot", jspc.getUriroot());
          addArg(cmd, "-uribase", jspc.getUribase());
          addArg(cmd, "-ieplugin", jspc.getIeplugin());
          addArg(cmd, "-die9");
  
          if (jspc.isMapped()){
              addArg(cmd, "-mapped");
          }       
          if (jspc.getWebApp() != null) {
              File dir = jspc.getWebApp().getDirectory();
              addArg(cmd, "-webapp", dir);
          }
          return cmd;
      }
  
      /**
       * @return an instance of the mangler this compiler uses
       */
      public JspMangler createMangler() {
          return new TomcatJSPMangler();
      }
  
      /**
       * Special mangler which coverts *.jsp -> *_1.java 
       */
      private class TomcatJSPMangler implements JspMangler {
          public TomcatJSPMangler() {
              mangler = new JspNameMangler();
          }
  
          public String mapJspToJavaName(File jspFile) {
              String javaFile = mangler.mapJspToJavaName(jspFile);
              int ext = javaFile.lastIndexOf(".java");
              if (ext != -1) {
                javaFile = javaFile.substring(0, ext) + "_1.java";
              }
              return javaFile;
          }
  
          public String mapPath(String path) {
              return mangler.mapPath(path);
          }
  
          private JspMangler mangler;
      }
  
  }
  
  
  
  1.1                  jakarta-tomcat/src/share/org/apache/tomcat/ant/ant.properties
  
  Index: ant.properties
  ===================================================================
  #
  # jakarta-tomcat custom ant tasks
  # <taskdef resource="ant.properties" />
  #
  
  jspversion=org.apache.tomcat.ant.Tomcat3JSPVersionFile
  
  
  
  

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