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Java API for XML Processing Reference Implementation
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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.
*
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* file and include the License file at packager/legal/LICENSE.txt.
*
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* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
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* and therefore, elected the GPL Version 2 license, then the option applies
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*
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* permission notice:
*
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* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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
*
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/*
* $Id: Include.java,v 1.11 2010-11-01 04:34:16 joehw Exp $
*/
package com.sun.org.apache.xalan.internal.xsltc.compiler;
import java.io.File;
import java.io.FileNotFoundException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Enumeration;
import com.sun.org.apache.xml.internal.utils.SystemIDResolver;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ErrorMsg;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;
/**
* @author Jacek Ambroziak
* @author Morten Jorgensen
* @author Erwin Bolwidt
* @author Gunnlaugur Briem
*/
final class Include extends TopLevelElement {
private Stylesheet _included = null;
public Stylesheet getIncludedStylesheet() {
return _included;
}
public void parseContents(final Parser parser) {
XSLTC xsltc = parser.getXSLTC();
Stylesheet context = parser.getCurrentStylesheet();
String docToLoad = getAttribute("href");
try {
if (context.checkForLoop(docToLoad)) {
final ErrorMsg msg = new ErrorMsg(ErrorMsg.CIRCULAR_INCLUDE_ERR,
docToLoad, this);
parser.reportError(Constants.FATAL, msg);
return;
}
InputSource input = null;
XMLReader reader = null;
String currLoadedDoc = context.getSystemId();
SourceLoader loader = context.getSourceLoader();
// Use SourceLoader if available
if (loader != null) {
input = loader.loadSource(docToLoad, currLoadedDoc, xsltc);
if (input != null) {
docToLoad = input.getSystemId();
reader = xsltc.getXMLReader();
} else if (parser.errorsFound()) {
return;
}
}
// No SourceLoader or not resolved by SourceLoader
if (input == null) {
docToLoad = SystemIDResolver.getAbsoluteURI(docToLoad, currLoadedDoc);
input = new InputSource(docToLoad);
}
// Return if we could not resolve the URL
if (input == null) {
final ErrorMsg msg =
new ErrorMsg(ErrorMsg.FILE_NOT_FOUND_ERR, docToLoad, this);
parser.reportError(Constants.FATAL, msg);
return;
}
final SyntaxTreeNode root;
if (reader != null) {
root = parser.parse(reader,input);
}
else {
root = parser.parse(input);
}
if (root == null) return;
_included = parser.makeStylesheet(root);
if (_included == null) return;
_included.setSourceLoader(loader);
_included.setSystemId(docToLoad);
_included.setParentStylesheet(context);
_included.setIncludingStylesheet(context);
_included.setTemplateInlining(context.getTemplateInlining());
// An included stylesheet gets the same import precedence
// as the stylesheet that included it.
final int precedence = context.getImportPrecedence();
_included.setImportPrecedence(precedence);
parser.setCurrentStylesheet(_included);
_included.parseContents(parser);
final Enumeration elements = _included.elements();
final Stylesheet topStylesheet = parser.getTopLevelStylesheet();
while (elements.hasMoreElements()) {
final Object element = elements.nextElement();
if (element instanceof TopLevelElement) {
if (element instanceof Variable) {
topStylesheet.addVariable((Variable) element);
}
else if (element instanceof Param) {
topStylesheet.addParam((Param) element);
}
else {
topStylesheet.addElement((TopLevelElement) element);
}
}
}
}
catch (Exception e) {
e.printStackTrace();
}
finally {
parser.setCurrentStylesheet(context);
}
}
public Type typeCheck(SymbolTable stable) throws TypeCheckError {
return Type.Void;
}
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
// do nothing
}
}