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Java API for XML Processing Reference Implementation
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/*
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*
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*
* 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
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* language governing permissions and limitations under the License.
*
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* this work for additional information regarding copyright ownership.
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* (the "License"); you may not use this file except in compliance with
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*
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/*
* $Id: Import.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.net.URL;
import java.net.MalformedURLException;
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 Import extends TopLevelElement {
private Stylesheet _imported = null;
public Stylesheet getImportedStylesheet() {
return _imported;
}
public void parseContents(final Parser parser) {
final XSLTC xsltc = parser.getXSLTC();
final Stylesheet context = parser.getCurrentStylesheet();
try {
String docToLoad = getAttribute("href");
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;
_imported = parser.makeStylesheet(root);
if (_imported == null) return;
_imported.setSourceLoader(loader);
_imported.setSystemId(docToLoad);
_imported.setParentStylesheet(context);
_imported.setImportingStylesheet(context);
_imported.setTemplateInlining(context.getTemplateInlining());
// precedence for the including stylesheet
final int currPrecedence = parser.getCurrentImportPrecedence();
final int nextPrecedence = parser.getNextImportPrecedence();
_imported.setImportPrecedence(currPrecedence);
context.setImportPrecedence(nextPrecedence);
parser.setCurrentStylesheet(_imported);
_imported.parseContents(parser);
final Enumeration elements = _imported.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
}
}