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From craig...@locus.apache.org
Subject cvs commit: jakarta-taglibs/jspspec/src/org/apache/taglibs/jspspec BarTag.java BarTagExtraInfo.java FooTag.java
Date Mon, 10 Apr 2000 00:57:15 GMT
craigmcc    00/04/09 17:57:15

  Added:       jspspec/src/org/apache/taglibs/jspspec BarTag.java
                        BarTagExtraInfo.java FooTag.java
  Log:
  Add the source code for the first two example tags for the "jspspec"
  custom tag library.
  
  Revision  Changes    Path
  1.1                  jakarta-taglibs/jspspec/src/org/apache/taglibs/jspspec/BarTag.java
  
  Index: BarTag.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-taglibs/jspspec/src/org/apache/taglibs/jspspec/BarTag.java,v
1.1 2000/04/10 00:57:15 craigmcc Exp $
   * $Revision: 1.1 $
   * $Date: 2000/04/10 00:57:15 $
   *
   * ====================================================================
   * 
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999 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", "Tomcat", 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.taglibs.jspspec;
  
  
  import javax.servlet.jsp.JspException;
  import javax.servlet.jsp.tagext.TagSupport;
  
  
  /**
   * Example tag from Section A.1.2 of the JSP Specification, version 1.1.
   * This tag has three mandatory attributes that are translation-time only,
   * with their values set automatically by the JSP container.  In addition,
   * it creates a new object, named by the value of the <code>id</code>
   * attribute, that becomes available to the scripting language.
   *
   * @author Craig R. McClanahan
   */
  
  public class BarTag extends TagSupport {
  
  
      // ----------------------------------------------------------- Constructors
  
  
      /**
       * Construct a new tag instance.
       */
      public BarTag() {
  
  	super();
  
  	// Perform any required additional initialization
  
      }
  
  
      // ----------------------------------------------------- Instance Variables
  
  
      /**
       * The first attribute of this tag.
       */
      private String att1 = null;
  
  
      /**
       * The second attribute of this tag.
       */
      private String att2 = null;
  
  
      /**
       * The third attribute of this tag.
       */
      private String att3 = null;
  
  
      /**
       * The identifier of the variable to be created.
       */
      private String id = null;
  
  
      // ------------------------------------------------------------- Properties
  
  
      /**
       * Return the first attribute of this tag.
       */
      public String getAtt1() {
  
  	return (this.att1);
  
      }
  
  
      /**
       * Set the first attribute of this tag.
       *
       * @param value The new attribute value
       */
      public void setAtt1(String value) {
  
  	this.att1 = value;
  
      }
  
  
      /**
       * Return the second attribute of this tag.
       */
      public String getAtt2() {
  
  	return (this.att2);
  
      }
  
  
      /**
       * Set the second attribute of this tag.
       *
       * @param value The new attribute value
       */
      public void setAtt2(String value) {
  
  	this.att2 = value;
  
      }
  
  
      /**
       * Return the third attribute of this tag.
       */
      public String getAtt3() {
  
  	return (this.att3);
  
      }
  
  
      /**
       * Set the third attribute of this tag.
       *
       * @param value The new attribute value
       */
      public void setAtt3(String value) {
  
  	this.att3 = value;
  
      }
  
  
      /**
       * Return the variable identifier for this tag.
       */
      public String getId() {
  
  	return (this.id);
  
      }
  
  
      /**
       * Set the variable identifier for this tag.
       *
       * @param id The new variable identifier
       */
      public void setId(String id) {
  
  	this.id = id;
  
      }
  
  
      // --------------------------------------------------------- Public Methods
  
  
      /**
       * Process the start of this tag.  In this case, we are not processing a
       * body, so we can do everything here.
       *
       * @exception JspException if a JSP exception has occurred
       */
      public int doStartTag() throws JspException {
  
  	// Define the variable specified by our attributes in PAGE scope
  	String id = getId();
  	if (id == null)
  	    id = "mybar";
  	String value =
  	    "BarTag: att1='" + att1 + "', att2='" + att2 + "', att3='" +
  	    att3 + "'";
  	pageContext.setAttribute(id, value);
  
  	// Tell the JSP page to continue evaluating the page.
  	return (EVAL_BODY_INCLUDE);
  
      }
  
  
  }
  
  
  
  1.1                  jakarta-taglibs/jspspec/src/org/apache/taglibs/jspspec/BarTagExtraInfo.java
  
  Index: BarTagExtraInfo.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-taglibs/jspspec/src/org/apache/taglibs/jspspec/BarTagExtraInfo.java,v
1.1 2000/04/10 00:57:15 craigmcc Exp $
   * $Revision: 1.1 $
   * $Date: 2000/04/10 00:57:15 $
   *
   * ====================================================================
   * 
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999 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", "Tomcat", 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.taglibs.jspspec;
  
  
  import javax.servlet.jsp.tagext.TagData;
  import javax.servlet.jsp.tagext.TagExtraInfo;
  import javax.servlet.jsp.tagext.VariableInfo;
  
  
  /**
   * Extra tag information for BarTag.  It is used to return the name of the
   * scripting variable created by BarTag, for use in translation time
   * validation of tag attributes.
   *
   * @author Craig R. McClanahan
   */
  
  public class BarTagExtraInfo extends TagExtraInfo {
  
  
      /**
       * Return information describing the variable(s) created by this tag.
       * In this case, the variable is only visible after the end tag.  We
       * know that our corresponding tag, BarTag, is creating a String variable,
       * stored under the name specified by the <code>id</code> attribute.
       *
       * @param data The TagData associated with this tag
       */
      public VariableInfo[] getVariableInfo(TagData data) {
  
  	String id = data.getAttributeString("id");
  	if (id == null)
  	    id = "mybar";	// Default name if not specified
  	return (new VariableInfo[] {
  	    new VariableInfo(id, "java.lang.String", true,
  			     VariableInfo.AT_BEGIN)
  	});
  
      }
  
  
  }
  
  
  
  1.1                  jakarta-taglibs/jspspec/src/org/apache/taglibs/jspspec/FooTag.java
  
  Index: FooTag.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-taglibs/jspspec/src/org/apache/taglibs/jspspec/FooTag.java,v
1.1 2000/04/10 00:57:15 craigmcc Exp $
   * $Revision: 1.1 $
   * $Date: 2000/04/10 00:57:15 $
   *
   * ====================================================================
   * 
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999 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", "Tomcat", 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.taglibs.jspspec;
  
  
  import javax.servlet.jsp.JspException;
  import javax.servlet.jsp.tagext.TagSupport;
  
  
  /**
   * Example tag from Section A.1.1 of the JSP Specification, version 1.1.
   * This tag has three mandatory attributes that are translation-time only,
   * with their values set automatically by the JSP container.
   *
   * @author Craig R. McClanahan
   */
  
  public class FooTag extends TagSupport {
  
  
      // ----------------------------------------------------------- Constructors
  
  
      /**
       * Construct a new tag instance.
       */
      public FooTag() {
  
  	super();
  
  	// Perform any required additional initialization
  
      }
  
  
      // ----------------------------------------------------- Instance Variables
  
  
      /**
       * The first attribute of this tag.
       */
      private String att1 = null;
  
  
      /**
       * The second attribute of this tag.
       */
      private String att2 = null;
  
  
      /**
       * The third attribute of this tag.
       */
      private String att3 = null;
  
  
      // ------------------------------------------------------------- Properties
  
  
      /**
       * Return the first attribute of this tag.
       */
      public String getAtt1() {
  
  	return (this.att1);
  
      }
  
  
      /**
       * Set the first attribute of this tag.
       *
       * @param value The new attribute value
       */
      public void setAtt1(String value) {
  
  	this.att1 = value;
  
      }
  
  
      /**
       * Return the second attribute of this tag.
       */
      public String getAtt2() {
  
  	return (this.att2);
  
      }
  
  
      /**
       * Set the second attribute of this tag.
       *
       * @param value The new attribute value
       */
      public void setAtt2(String value) {
  
  	this.att2 = value;
  
      }
  
  
      /**
       * Return the third attribute of this tag.
       */
      public String getAtt3() {
  
  	return (this.att3);
  
      }
  
  
      /**
       * Set the third attribute of this tag.
       *
       * @param value The new attribute value
       */
      public void setAtt3(String value) {
  
  	this.att3 = value;
  
      }
  
  
      // --------------------------------------------------------- Public Methods
  
  
      /**
       * Process the start tag, and return SKIP_BODY to tell the JSP page
       * to skip body evaluation.
       *
       * @exception JspException if a JSP exception has occurred
       */
      public int doStartTag() throws JspException {
  
  	// At this point, the properties for each of our attributes
  	// have been set, and the tag can do whatever it likes with them.
  
  	return EVAL_BODY_INCLUDE;
  
      }
  
  
  }
  
  
  

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