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From d...@apache.org
Subject cvs commit: jakarta-commons/latka/src/java/org/apache/commons/latka/jelly/validators ValidatorTag.java ByteLengthTag.java
Date Tue, 09 Jul 2002 11:27:34 GMT
dion        2002/07/09 04:27:34

  Modified:    latka/src/java/org/apache/commons/latka/jelly
                        LatkaTagLibrary.java
  Added:       latka/src/java/org/apache/commons/latka/jelly/validators
                        ValidatorTag.java ByteLengthTag.java
  Log:
  Started validation tags - first is bytelength
  
  Revision  Changes    Path
  1.13      +6 -5      jakarta-commons/latka/src/java/org/apache/commons/latka/jelly/LatkaTagLibrary.java
  
  Index: LatkaTagLibrary.java
  ===================================================================
  RCS file: /home/cvs/jakarta-commons/latka/src/java/org/apache/commons/latka/jelly/LatkaTagLibrary.java,v
  retrieving revision 1.12
  retrieving revision 1.13
  diff -u -r1.12 -r1.13
  --- LatkaTagLibrary.java	7 Jul 2002 17:44:56 -0000	1.12
  +++ LatkaTagLibrary.java	9 Jul 2002 11:27:34 -0000	1.13
  @@ -64,7 +64,7 @@
   import java.util.Map;
   
   import org.apache.commons.jelly.TagLibrary;
  -
  +import org.apache.commons.latka.jelly.validators.ByteLengthTag;
   
   /**
    * The set of jelly tags provided by Latka
  @@ -89,6 +89,7 @@
           registerTag("parameter", ParameterTag.class);
           registerTag("header", HeaderTag.class);
           registerTag("body", BodyTag.class);
  +        registerTag("bytelength", ByteLengthTag.class);
       }
       
       /**
  
  
  
  1.1                  jakarta-commons/latka/src/java/org/apache/commons/latka/jelly/validators/ValidatorTag.java
  
  Index: ValidatorTag.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-commons/latka/src/java/org/apache/commons/latka/jelly/validators/ValidatorTag.java,v
1.1 2002/07/09 11:27:34 dion Exp $
   * $Revision: 1.1 $
   * $Date: 2002/07/09 11:27:34 $
   *
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999-2001 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", "Commons", 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.commons.latka.jelly.validators;
  
  import org.apache.commons.httpclient.HttpUrlMethod;
  import org.apache.commons.jelly.XMLOutput;
  import org.apache.commons.latka.jelly.LatkaTag;
  
  /**
   * A base class for all Latka validation tags
   *
   * @author  dion
   * @version $Id: ValidatorTag.java,v 1.1 2002/07/09 11:27:34 dion Exp $
   */
  public class ValidatorTag extends LatkaTag {
      
      /** the id of the http tag */
      private String _requestId;
      
      /** Creates a new instance of ValidatorTag */
      public ValidatorTag() {
      }
      
      /**
       *  By default process the tag body
       *
       * @param xmlOutput a place to write output
       * @throws Exception when any error occurs
       */
      public void doTag(XMLOutput xmlOutput) throws Exception {
          invokeBody(xmlOutput);
      }
  
      /**
       * @return the method used to execute the request with id given by 
       * {@link getRequestId()}
       */
      protected HttpUrlMethod getRequest() {
          return (HttpUrlMethod) getContext().getVariable(getRequestId());
      }
      
      /**
       * Getter for property requestId.
       *
       * @return Value of property requestId.
       */
      public String getRequestId() {
          return _requestId;
      }
      
      /**
       * Setter for property requestId.
       *
       * @param requestId New value of property requestId.
       */
      public void setRequestId(String requestId) {
          _requestId = requestId;
      }
      
  }
  
  
  
  1.1                  jakarta-commons/latka/src/java/org/apache/commons/latka/jelly/validators/ByteLengthTag.java
  
  Index: ByteLengthTag.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-commons/latka/src/java/org/apache/commons/latka/jelly/validators/ByteLengthTag.java,v
1.1 2002/07/09 11:27:34 dion Exp $
   * $Revision: 1.1 $
   * $Date: 2002/07/09 11:27:34 $
   *
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999-2001 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", "Commons", 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.commons.latka.jelly.validators;
  
  import org.apache.commons.httpclient.HttpUrlMethod;
  import org.apache.commons.jelly.XMLOutput;
  
  /**
   *
   * @author  dion
   */
  public class ByteLengthTag extends ValidatorTag {
      
      /** Constant to mean no max specified */
      private static final int NO_MAX = -1;
      /** minimum number of bytes to check for */
      private int _min = 0;
      /** maximum number of bytes in request */
      private int _max = ByteLengthTag.NO_MAX;
      
      /** Creates a new instance of ByteLengthTag */
      public ByteLengthTag() {
      }
      
      /**
       *  By default process the tag body
       *
       * @param xmlOutput a place to write output
       * @throws Exception when any error occurs
       */
      public void doTag(XMLOutput xmlOutput) throws Exception {
          String text = getBodyText();
          HttpUrlMethod method = getRequest();
          long responseLength = method.getResponseBodyAsString().length();
          if (responseLength < getMin()
              || (getMax() != ByteLengthTag.NO_MAX &&
              responseLength > getMax())) {
                  xmlOutput.write(text); //fail
          }
      }
  
      /** Getter for property max.
       * @return Value of property max.
       */
      public int getMax() {
          return _max;
      }
      
      /** Setter for property max.
       * @param max New value of property max.
       */
      public void setMax(int max) {
          _max = max;
      }
      
      /** Getter for property min.
       * @return Value of property min.
       */
      public int getMin() {
          return _min;
      }
      
      /** Setter for property min.
       * @param min New value of property min.
       */
      public void setMin(int min) {
          _min = min;
      }
      
  }
  
  
  

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