nextapp.echo.webcontainer.service.StaticTextService Maven / Gradle / Ivy
/*
* This file is part of the Echo Web Application Framework (hereinafter "Echo").
* Copyright (C) 2002-2009 NextApp, Inc.
*
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*/
package nextapp.echo.webcontainer.service;
import java.io.IOException;
import nextapp.echo.webcontainer.Connection;
import nextapp.echo.webcontainer.Service;
import nextapp.echo.webcontainer.util.Resource;
/**
* A service which renders a text resource, such as a text or XML document.
*/
public class StaticTextService
implements Service {
/**
* Creates a new StaticTextService based on the content in the
* specified CLASSPATH resource. A runtime exception will be
* thrown in the even the resource does not exist (it generally should not
* be caught).
*
* @param id the Service identifier
* @param contentType the content type of the document
* @param resourceName the path to the content resource in the
* CLASSPATH
* @return the created StaticTextService
*/
public static StaticTextService forResource(String id, String contentType, String resourceName) {
String content = Resource.getResourceAsString(resourceName);
return new StaticTextService(id, contentType, content);
}
/** The Service identifier. */
private String id;
/** The text content to be served. */
private String content;
/** The content type of the data. */
private String contentType;
/**
* Creates a new StaticTextService.
*
* @param id the Service identifier
* @param contentType the content type of the document
* @param content the text
*/
public StaticTextService(String id, String contentType, String content) {
super();
this.id = id;
this.contentType = contentType;
this.content = content;
}
/**
* @see Service#getId()
*/
public String getId() {
return id;
}
/**
* @see Service#getVersion()
*/
public int getVersion() {
return 0;
}
/**
* @see Service#service(nextapp.echo.webcontainer.Connection)
*/
public void service(Connection conn) throws IOException {
conn.getResponse().setContentType(contentType);
conn.getWriter().print(content);
}
}