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From ste...@apache.org
Subject cvs commit: jakarta-ant/src/main/org/apache/tools/ant/taskdefs TempFile.java
Date Sat, 27 Apr 2002 05:05:49 GMT
stevel      02/04/26 22:05:49

  Added:       src/main/org/apache/tools/ant/taskdefs TempFile.java
  Log:
  task to create a temporary filename in a property; docs and tests to follow
  
  Revision  Changes    Path
  1.1                  jakarta-ant/src/main/org/apache/tools/ant/taskdefs/TempFile.java
  
  Index: TempFile.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 apache@apache.org.
   *
   *  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;
  
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.util.Properties;
  import org.apache.tools.ant.Task;
  import org.apache.tools.ant.BuildException;
  import org.apache.tools.ant.util.FileUtils;
  
  /**
   *  This task fills a proprerty with a temporary file
   *
   *@author      steve loughran
   *@since       Ant 1.5
   *@ant.task
   */
  
  public class TempFile extends Task {
  
      /**
       *  name of property to set
       */
      private String property;
  
      /**
       *  directory to create the file in. can be null
       */
      private File destDir = null;
  
      /**
       *  prefix for the file
       */
      private String prefix;
  
      /**
       *  suffix for the file
       */
      private String suffix = "";
  
  
      /**
       *  Sets the property attribute of the TempFile object
       *
       *@param  property  The property to set
       */
      public void setProperty(String property) {
          this.property = property;
      }
  
  
      /**
       *  destination directory. If null, 
       the parent directory is used instead
       *
       *@param  destDir  The new destDir value
       */
      public void setDestDir(File destDir) {
          this.destDir = destDir;
      }
  
  
      /**
       *  optional prefix string
       *
       *@param  prefix  string to prepend to generated string
       */
      public void setPrefix(String prefix) {
          this.prefix = prefix;
      }
  
  
      /**
       *  Suffix string for the temp file (optional)
       *
       *@param  suffix  suffix including any "." , e.g ".xml"
       */
      public void setSuffix(String suffix) {
          this.suffix = suffix;
      }
  
  
      /**
       *  create the temp file
       *
       *@exception  BuildException  if something goes wrong with the build
       */
      public void execute() throws BuildException {
          if (property == null || property.length() == 0) {
              throw new BuildException("no property specified");
          }
          if (destDir == null) {
              destDir = project.resolveFile(".");
          }
          FileUtils utils = FileUtils.newFileUtils();
          File tfile = utils.createTempFile(prefix, suffix, destDir);
          project.setNewProperty(property, tfile.toString());
      }
  }
  
  
  

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