【Java开源代码栏目提醒】:网学会员为广大网友收集整理了,BeanGenerator.java,希望对大家有所帮助!
/*
* $Header: /cvsroot/jetty/Jetty3/src/org/apache/jasper/compiler/BeanGenerator.java,v 1.1 2000/10/09 17:57:40 gregwilkins Exp $
* $Revision: 1.1 $
* $Date: 2000/10/09 17:57:40 $
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact 3710167@qq.com.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* per
mission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.jasper.compiler;
import java.util.Hashtable;
import java.util.Vector;
import java.util.Enumeration;
import java.lang.reflect.Method;
import org.apache.jasper.JasperException;
import org.apache.jasper.Constants;
/**
* Generate code for useBean.
*
* @author Mandar Raje
*/
public class BeanGenerator extends GeneratorBase implements ServiceMethodPhase,
ClassDeclarationPhase {
Hashtable attrs;
BeanRepository beanInfo;
boolean genSession;
boolean beanRT = false;
Mark start;
public BeanGenerator (Mark start, Hashtable attrs, BeanRepository beanInfo,
boolean genSession) {
this.attrs = attrs;
this.beanInfo = beanInfo;
this.genSession = genSession;
this.start = start;
}
public void generate (ServletWriter writer, Class phase)
throws JasperException {
if (ClassDeclarationPhase.class.equals (phase))
checkSyntax (writer, phase);
else if (ServiceMethodPhase.class.equals (phase))
generateMethod (writer, phase);
}
public void checkSyntax (ServletWriter writer, Class phase)
throws JasperException {
String name = getAttribute ("id");
String varname = name;
String serfile = name;
String scope = getAttribute ("scope");
String clsname = getAttribute ("class");
String type = getAttribute ("type");
String beanName = getAttribute ("beanName");
// Check for mandatory attributes:
if ( name == null ) {
String m = Constants.getString("jsp.error.usebean.missing.attribute");
throw new CompileException(start, m);
}
if (clsname == null && type == null) {
String m = Constants.getString("jsp.error.usebean.missing.type",
new Object[] {name});
throw new CompileException (start, m);
}
if (beanInfo.checkVariable(name) == true) {
String m = Constants.getString("jsp.error.usebean.duplicate",
new Object[] {name});
throw new C