001 package echopoint.template;
002 /*
003 * This file is part of the Echo Point Project. This project is a collection
004 * of Components that have extended the Echo Web Application Framework.
005 *
006 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
007 *
008 * The contents of this file are subject to the Mozilla Public License Version
009 * 1.1 (the "License"); you may not use this file except in compliance with
010 * the License. You may obtain a copy of the License at
011 * http://www.mozilla.org/MPL/
012 *
013 * Software distributed under the License is distributed on an "AS IS" basis,
014 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
015 * for the specific language governing rights and limitations under the
016 * License.
017 *
018 * Alternatively, the contents of this file may be used under the terms of
019 * either the GNU General Public License Version 2 or later (the "GPL"), or
020 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
021 * in which case the provisions of the GPL or the LGPL are applicable instead
022 * of those above. If you wish to allow use of your version of this file only
023 * under the terms of either the GPL or the LGPL, and not to allow others to
024 * use your version of this file under the terms of the MPL, indicate your
025 * decision by deleting the provisions above and replace them with the notice
026 * and other provisions required by the GPL or the LGPL. If you do not delete
027 * the provisions above, a recipient may use your version of this file under
028 * the terms of any one of the MPL, the GPL or the LGPL.
029 */
030 import echopoint.util.io.StringInputStream;
031
032 import java.io.IOException;
033 import java.io.InputStream;
034
035
036
037 /**
038 * <code>StringTemplateDataSource</code> takes it template
039 * data from a String object.
040 */
041 public class StringTemplateDataSource extends AbstractTemplateDataSource {
042 private String string;
043
044 /**
045 * Creates a <code>StringTemplateDataSource</code> with
046 * Unicode character encoding.
047 */
048 public StringTemplateDataSource(String s) {
049 super(DEFAULT_ENCODING);
050 this.string = s;
051 }
052
053 /**
054 * Constructs a <code>StringTemplateDataSource</code>
055 * with no String template data.
056 */
057 public StringTemplateDataSource() {
058 this(null);
059 }
060
061 /**
062 * @see echopoint.template.TemplateDataSource#getCanonicalName()
063 */
064 public String getCanonicalName() {
065 return "String@" + System.identityHashCode(this.string);
066 }
067 /**
068 * @see echopoint.template.TemplateDataSource#getInputStream()
069 */
070 public InputStream getInputStream() throws IOException {
071 return new StringInputStream(this.string);
072 }
073 /**
074 * @return Returns the string.
075 */
076 public String getString() {
077 return string;
078 }
079 /**
080 * @param string The string to set.
081 */
082 public void setString(String string) {
083 this.string = string;
084 }
085 }