001: /*
002: * Copyright (c) 2001-2004 Caucho Technology, Inc. All rights reserved.
003: *
004: * The Apache Software License, Version 1.1
005: *
006: * Redistribution and use in source and binary forms, with or without
007: * modification, are permitted provided that the following conditions
008: * are met:
009: *
010: * 1. Redistributions of source code must retain the above copyright
011: * notice, this list of conditions and the following disclaimer.
012: *
013: * 2. Redistributions in binary form must reproduce the above copyright
014: * notice, this list of conditions and the following disclaimer in
015: * the documentation and/or other materials provided with the
016: * distribution.
017: *
018: * 3. The end-user documentation included with the redistribution, if
019: * any, must include the following acknowlegement:
020: * "This product includes software developed by the
021: * Caucho Technology (http://www.caucho.com/)."
022: * Alternately, this acknowlegement may appear in the software itself,
023: * if and wherever such third-party acknowlegements normally appear.
024: *
025: * 4. The names "Hessian", "Resin", and "Caucho" must not be used to
026: * endorse or promote products derived from this software without prior
027: * written permission. For written permission, please contact
028: * info@caucho.com.
029: *
030: * 5. Products derived from this software may not be called "Resin"
031: * nor may "Resin" appear in their names without prior written
032: * permission of Caucho Technology.
033: *
034: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
035: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
036: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
037: * DISCLAIMED. IN NO EVENT SHALL CAUCHO TECHNOLOGY OR ITS CONTRIBUTORS
038: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
039: * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
040: * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
041: * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
042: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
043: * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
044: * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
045: *
046: * @author Scott Ferguson
047: */
048:
049: package com.caucho.services.server;
050:
051: import javax.servlet.ServletConfig;
052: import javax.servlet.ServletContext;
053: import javax.servlet.ServletException;
054: import javax.servlet.ServletRequest;
055:
056: /**
057: * Interface for a service, including lifecycle.
058: */
059: public class GenericService implements Service {
060: protected ServletConfig config;
061:
062: /**
063: * Initialize the service instance.
064: */
065: public void init(ServletConfig config) throws ServletException {
066: this .config = config;
067:
068: init();
069: }
070:
071: /**
072: * Initialize the service instance.
073: */
074: public void init() throws ServletException {
075: }
076:
077: /**
078: * Returns the named initialization parameter.
079: */
080: public String getInitParameter(String name) {
081: return this .config.getInitParameter(name);
082: }
083:
084: /**
085: * Returns the servlet context.
086: */
087: public ServletConfig getServletConfig() {
088: return this .config;
089: }
090:
091: /**
092: * Returns the servlet context.
093: */
094: public ServletContext getServletContext() {
095: return this .config.getServletContext();
096: }
097:
098: /**
099: * Logs a message to the error stream.
100: */
101: public void log(String message) {
102: getServletContext().log(message);
103: }
104:
105: /**
106: * Returns the servlet request object for the request.
107: */
108: public ServletRequest getRequest() {
109: return ServiceContext.getRequest();
110: }
111:
112: /**
113: * Returns the service identifier for the request.
114: */
115: public String getServiceName() {
116: return ServiceContext.getServiceName();
117: }
118:
119: /**
120: * Returns the service identifier for the request.
121: *
122: * @deprecated
123: */
124: public String getServiceId() {
125: return getServiceName();
126: }
127:
128: /**
129: * Returns the object identifier for the request.
130: */
131: public String getObjectId() {
132: return ServiceContext.getObjectId();
133: }
134:
135: /**
136: * Cleanup the service instance.
137: */
138: public void destroy() {
139: }
140: }
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