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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
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* If you wish your version of this file to be governed by only the CDDL or
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* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
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* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright 2004 The Apache Software Foundation
*
* Licensed 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.jasper.compiler;
import org.xml.sax.Attributes;
import org.apache.jasper.JasperException;
class Dumper {
static class DumpVisitor extends Node.Visitor {
private int indent = 0;
private String getAttributes(Attributes attrs) {
if (attrs == null)
return "";
StringBuilder buf = new StringBuilder();
for (int i=0; i < attrs.getLength(); i++) {
buf.append(" " + attrs.getQName(i) + "=\""
+ attrs.getValue(i) + "\"");
}
return buf.toString();
}
private void printString(String str) {
printIndent();
System.out.print(str);
}
private void printString(String prefix, char[] chars, String suffix) {
String str = null;
if (chars != null) {
str = new String(chars);
}
printString(prefix, str, suffix);
}
private void printString(String prefix, String str, String suffix) {
printIndent();
if (str != null) {
System.out.print(prefix + str + suffix);
} else {
System.out.print(prefix + suffix);
}
}
private void printAttributes(String prefix, Attributes attrs,
String suffix) {
printString(prefix, getAttributes(attrs), suffix);
}
private void dumpBody(Node n) throws JasperException {
Node.Nodes page = n.getBody();
if (page != null) {
// indent++;
page.visit(this);
// indent--;
}
}
public void visit(Node.PageDirective n) throws JasperException {
printAttributes("<%@ page", n.getAttributes(), "%>");
}
public void visit(Node.TaglibDirective n) throws JasperException {
printAttributes("<%@ taglib", n.getAttributes(), "%>");
}
public void visit(Node.IncludeDirective n) throws JasperException {
printAttributes("<%@ include", n.getAttributes(), "%>");
dumpBody(n);
}
public void visit(Node.Comment n) throws JasperException {
printString("<%--", n.getText(), "--%>");
}
public void visit(Node.Declaration n) throws JasperException {
printString("<%!", n.getText(), "%>");
}
public void visit(Node.Expression n) throws JasperException {
printString("<%=", n.getText(), "%>");
}
public void visit(Node.Scriptlet n) throws JasperException {
printString("<%", n.getText(), "%>");
}
public void visit(Node.IncludeAction n) throws JasperException {
printAttributes("");
dumpBody(n);
printString("");
}
public void visit(Node.ForwardAction n) throws JasperException {
printAttributes("");
dumpBody(n);
printString("");
}
public void visit(Node.GetProperty n) throws JasperException {
printAttributes("");
}
public void visit(Node.SetProperty n) throws JasperException {
printAttributes("");
dumpBody(n);
printString("");
}
public void visit(Node.UseBean n) throws JasperException {
printAttributes("");
dumpBody(n);
printString("");
}
public void visit(Node.PlugIn n) throws JasperException {
printAttributes("");
dumpBody(n);
printString("");
}
public void visit(Node.ParamsAction n) throws JasperException {
printAttributes("");
dumpBody(n);
printString("");
}
public void visit(Node.ParamAction n) throws JasperException {
printAttributes("");
dumpBody(n);
printString("");
}
public void visit(Node.NamedAttribute n) throws JasperException {
printAttributes("");
dumpBody(n);
printString("");
}
public void visit(Node.JspBody n) throws JasperException {
printAttributes("");
dumpBody(n);
printString("");
}
public void visit(Node.ELExpression n) throws JasperException {
printString( n.getText());
}
public void visit(Node.CustomTag n) throws JasperException {
printAttributes("<" + n.getQName(), n.getAttributes(), ">");
dumpBody(n);
printString("");
}
public void visit(Node.UninterpretedTag n) throws JasperException {
String tag = n.getQName();
printAttributes("<"+tag, n.getAttributes(), ">");
dumpBody(n);
printString("");
}
public void visit(Node.TemplateText n) throws JasperException {
printString(n.getText());
}
private void printIndent() {
for (int i=0; i < indent; i++) {
System.out.print(" ");
}
}
}
public static void dump(Node n) {
try {
n.accept(new DumpVisitor());
} catch (JasperException e) {
e.printStackTrace();
}
}
public static void dump(Node.Nodes page) {
try {
page.visit(new DumpVisitor());
} catch (JasperException e) {
e.printStackTrace();
}
}
}
