stevel      2004/01/22 10:02:57

  Modified:    src/main/org/apache/tools/ant/taskdefs/condition
                        ConditionBase.java
               docs/manual/CoreTasks conditions.html
               .        WHATSNEW
  Added:       src/testcases/org/apache/tools/ant/taskdefs/condition
                        TypeFoundTest.java
               src/main/org/apache/tools/ant/taskdefs/condition
                        TypeFound.java
               src/etc/testcases/taskdefs/conditions typefound.xml
  Log:
  new condition: typefound
  
  Revision  Changes    Path
  1.1                  
ant/src/testcases/org/apache/tools/ant/taskdefs/condition/TypeFoundTest.java
  
  Index: TypeFoundTest.java
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2004 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 "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.tools.ant.taskdefs.condition;
  
  import org.apache.tools.ant.BuildFileTest;
  
  /**
   * test the typeexists condition
   */
  public class TypeFoundTest extends BuildFileTest {
  
      public TypeFoundTest(String name) {
          super(name);
      }
  
      /**
       * The JUnit setup method
       */
      public void setUp() {
          
configureProject("src/etc/testcases/taskdefs/conditions/typefound.xml");
      }
  
      public void testTask() {
          expectPropertySet("testTask", "testTask");
      }
  
      public void testUndefined() {
          expectBuildExceptionContaining("testUndefined","left out the name 
attribute", "No type specified");
      }
      public void testTaskThatDoesntReallyExist() {
          expectPropertyUnset("testTaskThatDoesntReallyExist", 
"testTaskThatDoesntReallyExist");
      }
      public void testType() {
          expectPropertySet("testType", "testType");
      }
      public void testPreset() {
          expectPropertySet("testPreset", "testPreset");
      }
      public void testMacro() {
          expectPropertySet("testMacro", "testMacro");
      }
  
  
  }
  
  
  
  1.23      +8 -1      
ant/src/main/org/apache/tools/ant/taskdefs/condition/ConditionBase.java
  
  Index: ConditionBase.java
  ===================================================================
  RCS file: 
/home/cvs/ant/src/main/org/apache/tools/ant/taskdefs/condition/ConditionBase.java,v
  retrieving revision 1.22
  retrieving revision 1.23
  diff -u -r1.22 -r1.23
  --- ConditionBase.java        16 Sep 2003 09:08:57 -0000      1.22
  +++ ConditionBase.java        22 Jan 2004 18:02:57 -0000      1.23
  @@ -253,6 +253,13 @@
       }
   
       /**
  +     * Add an &lt;typefound&gt; condition.
  +     * @param test
  +     */
  +    public void addTypeFound(TypeFound test) {
  +        conditions.addElement(test);
  +    }
  +    /**
        * Add an arbitrary condition
        * @param c a  condition
        * @since Ant 1.6
  
  
  
  1.1                  
ant/src/main/org/apache/tools/ant/taskdefs/condition/TypeFound.java
  
  Index: TypeFound.java
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2004 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 "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.tools.ant.taskdefs.condition;
  
  import org.apache.tools.ant.BuildException;
  import org.apache.tools.ant.ComponentHelper;
  import org.apache.tools.ant.ProjectComponent;
  import org.apache.tools.ant.AntTypeDefinition;
  
  /**
   * looks for a task or other Ant type that exists. Existence is defined as
   * the type is defined, and its implementation class is present. This
   * will work for datatypes and preset, script and macro definitions.
   */
  public class TypeFound extends ProjectComponent implements Condition {
  
      private String name;
  
      /**
       * the task or other type to look for
       * @param name
       */
      public void setName(String name) {
          this.name = name;
      }
  
      /**
       * test for a task or other ant type existing in the current project
       * @param typename
       * @return true if the typename exists
       */
      protected boolean doesTypeExist(String typename) {
  
          ComponentHelper 
helper=ComponentHelper.getComponentHelper(getProject());
          AntTypeDefinition def=helper.getDefinition(typename);
          if(def==null) {
              return false;
          }
          //now verify that the class has an implementation
          return def.getExposedClass(getProject())!=null;
      }
  
  
      /**
       * Is this condition true?
       * @return true if the condition is true
       * @exception BuildException if an error occurs
       */
      public boolean eval() throws BuildException {
          if(name==null) {
              throw new BuildException("No type specified");
          }
          return doesTypeExist(name);
      }
  }
  
  
  
  1.1                  ant/src/etc/testcases/taskdefs/conditions/typefound.xml
  
  Index: typefound.xml
  ===================================================================
  <project name="typefound">
  
  
      <target name="testTask">
          <condition property="testTask">
              <typefound name="echo"/>
          </condition>
      </target>
  
  
      <target name="testUndefined">
          <condition property="testUndefined">
              <typefound />
          </condition>
      </target>
  
      <target name="testTaskThatDoesntReallyExist">
       <!--        <taskdef name="invalid-task-name"
          classname="org.example.invalid.task.name.hopefully"/> -->
          <condition property="testTaskThatDoesntReallyExist">
              <typefound name="invalid-task-name"/>
          </condition>
      </target>
  
      <target name="testType">
          <condition property="testType">
              <typefound name="path"/>
          </condition>
      </target>
  
      <target name="testPreset">
          <presetdef name="important-echo">
              <echo level="error"/>
          </presetdef>
          <condition property="testPreset">
              <typefound name="important-echo"/>
          </condition>
      </target>
  
      <target name="testMacro">
          <macrodef name="error-message">
              <element name="text" optional="false"/>
              <sequential>
                  <echo level="error">@{text}</echo>
              </sequential>
          </macrodef>
          <condition property="testMacro">
              <typefound name="error-message"/>
          </condition>
      </target>
  
  </project>
  
  
  1.21      +21 -0     ant/docs/manual/CoreTasks/conditions.html
  
  Index: conditions.html
  ===================================================================
  RCS file: /home/cvs/ant/docs/manual/CoreTasks/conditions.html,v
  retrieving revision 1.20
  retrieving revision 1.21
  diff -u -r1.20 -r1.21
  --- conditions.html   14 Aug 2003 14:06:54 -0000      1.20
  +++ conditions.html   22 Jan 2004 18:02:57 -0000      1.21
  @@ -326,6 +326,27 @@
     </tr>
   </table>
   
  +<h4>typefound</h4>
  +
  +<p>Test whether a given type is defined, and that
  +its implementation class can be loaded. Types include
  +tasks, datatypes, scriptdefs, macrodefs and presetdefs.</p>
  +
  +<p>This condition has been added in Apache Ant 1.7.</p>
  +
  +<table border="1" cellpadding="2" cellspacing="0">
  +  <tr>
  +    <td valign="top"><b>Attribute</b></td>
  +    <td valign="top"><b>Description</b></td>
  +    <td align="center" valign="top"><b>Required</b></td>
  +  </tr>
  +  <tr>
  +    <td valign="top">name</td>
  +    <td valign="top">name of the type</td>
  +    <td valign="top" align="center">Yes</td>
  +  </tr>
  +</table>
  +
   <hr>
   <p align="center">Copyright &copy; 2001-2003 Apache Software
   Foundation. All rights Reserved.</p>
  
  
  
  1.529     +6 -0      ant/WHATSNEW
  
  Index: WHATSNEW
  ===================================================================
  RCS file: /home/cvs/ant/WHATSNEW,v
  retrieving revision 1.528
  retrieving revision 1.529
  diff -u -r1.528 -r1.529
  --- WHATSNEW  21 Jan 2004 12:55:53 -0000      1.528
  +++ WHATSNEW  22 Jan 2004 18:02:57 -0000      1.529
  @@ -55,6 +55,12 @@
    - Added three new ClearCase commands: ccmkattr, ccmkdir, ccmkelem
     Bugzilla Report 26253.
   
  +* New condition <typefound> that can be used to probe for the declaration 
  +  and implementation of a task, type, preset, macro, scriptdef, whatever. 
  +  As it tests for the implementation, it can be used to check for optional
  +  tasks being available. 
  +
  +  
   Changes from Ant 1.5.4 to Ant 1.6.0
   ===================================
   
  
  
  

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