cvs commit: jakarta-taglibs/string/src/org/apache/taglibs/string JoinTag.java SplitTag.java

[fe...@apache.org]

felipeal    2004/03/11 21:27:16

  Added:       string/src/org/apache/taglibs/string JoinTag.java
                        SplitTag.java
  Log:
  new tag, created by bug 20204 request
  
  Revision  Changes    Path
  1.1                  jakarta-taglibs/string/src/org/apache/taglibs/string/JoinTag.java
  
  Index: JoinTag.java
  ===================================================================
  /*
   * Copyright 1999,2004 The Apache Software Foundation.
   * 
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   * 
   *      http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.taglibs.string;
  
  import javax.servlet.jsp.JspException;
  import org.apache.commons.lang.StringUtils;
  
  /**
   * Joins the elements of the provided array.
   * A separator may be passed in to put between each element.
   *
   * <dl>
   * <dt>items</dt><dd>
   *             Array of elements to be joined.
   * </dd>
   * <dt>separator</dt><dd>
   *             Separator string to be used.
   * </dd>
   * </dl>
   * 
   * @author Felipe Leme (felipeal at apache dot org)
   */
  public class JoinTag extends StringTagSupport {
  
    private String separator;
    private Object[] items;
  
    public JoinTag() {
      super();
    }
  
    /**
     * Define the elements to be joined.
     *
     * @param items elements to be joined
     */
    public void setItems(Object[] items) {
      this.items = items;
    }
  
  
    /**
     * Set the separator to be used.
     *
     * @param separator separator to be used
     */
    public void setSeparator(String separator) {
      this.separator = separator;
    }
  
    public String changeString(String text) throws JspException {
      return this.separator == null ?
        StringUtils.join( this.items ) :
        StringUtils.join( this.items, this.separator );
    }
  
    public void initAttributes() {
      this.separator = null;
      this.items = null;
    }
  
  }
  
  
  
  1.1                  jakarta-taglibs/string/src/org/apache/taglibs/string/SplitTag.java
  
  Index: SplitTag.java
  ===================================================================
  /*
   * Copyright 1999,2004 The Apache Software Foundation.
   * 
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   * 
   *      http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.taglibs.string;
  
  import javax.servlet.jsp.JspException;
  import org.apache.commons.lang.StringUtils;
  
  /**
   * Splits the provided text into an array, separators specified.
   * The separator is not included in the returned String array and adjacent separators are treated
   * as one separator.
   *
   * <dl>
   * <dt>separator</dt><dd>
   *             Separator string to be used.
   * </dd>
   * </dl>
   * 
   * @author Felipe Leme (felipeal at apache dot org)
   */
  public class SplitTag extends StringTagSupport {
  
    private String separator;
  
    public SplitTag() {
      super();
    }
  
    /**
     * Set the separator to be used.
     *
     * @param separator separator to be used
     */
    public void setSeparator(String separator) {
      this.separator = separator;
    }
  
    public String changeString(String text) throws JspException {
      throw new JspException( "INTERNAL ERROR: operation not supported" );
    }
  
    public Object evaluateString(String text) throws JspException {
      return StringUtils.split( text, this.separator );
    }
  
    public void initAttributes() {
      this.separator = null;
    }
  
  }
  
  
  

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