| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.commons.jelly.impl; |
| |
| import org.apache.commons.jelly.JellyContext; |
| import org.apache.commons.jelly.JellyTagException; |
| import org.apache.commons.jelly.Script; |
| import org.apache.commons.jelly.XMLOutput; |
| |
| import org.xml.sax.SAXException; |
| |
| /** <p><code>TextScript</code> outputs some static text.</p> |
| * |
| * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
| * @version $Revision$ |
| */ |
| public class TextScript implements Script { |
| |
| /** the text output by this script */ |
| private String text; |
| |
| public TextScript() { |
| } |
| |
| public TextScript(String text) { |
| this.text = text; |
| } |
| |
| public String toString() { |
| return super.toString() + "[text=" + text + "]"; |
| } |
| |
| /** |
| * Trims whitespace from the start and end of the text in this script |
| */ |
| public void trimWhitespace() { |
| this.text = text.trim(); |
| } |
| |
| /** |
| * Trims whitespace from the start of the text |
| */ |
| public void trimStartWhitespace() { |
| int index = 0; |
| for ( int length = text.length(); index < length; index++ ) { |
| char ch = text.charAt(index); |
| if (!Character.isWhitespace(ch)) { |
| break; |
| } |
| } |
| if ( index > 0 ) { |
| this.text = text.substring(index); |
| } |
| } |
| |
| /** |
| * Trims whitespace from the end of the text |
| */ |
| public void trimEndWhitespace() { |
| int index = text.length(); |
| while (--index >= 0) { |
| char ch = text.charAt(index); |
| if (!Character.isWhitespace(ch)) { |
| break; |
| } |
| } |
| index++; |
| if ( index < text.length() ) { |
| this.text = text.substring(0,index); |
| } |
| } |
| |
| /** @return the text output by this script */ |
| public String getText() { |
| return text; |
| } |
| |
| /** Sets the text output by this script */ |
| public void setText(String text) { |
| this.text = text; |
| } |
| |
| // Script interface |
| //------------------------------------------------------------------------- |
| public Script compile() { |
| return this; |
| } |
| |
| /** Evaluates the body of a tag */ |
| public void run(JellyContext context, XMLOutput output) throws JellyTagException { |
| if ( text != null ) { |
| try { |
| output.write(text); |
| } catch (SAXException e) { |
| throw new JellyTagException("could not write to XMLOutput",e); |
| } |
| } |
| } |
| } |