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/*******************************************************************************
* Copyright (c) 2001, 2005 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.dtd.core.internal.emf.util;
import java.io.OutputStream;
import java.util.Iterator;
import java.util.Map;
import java.util.zip.ZipOutputStream;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.impl.ResourceImpl;
import org.eclipse.wst.dtd.core.internal.DTDCoreMessages;
import org.eclipse.wst.dtd.core.internal.emf.DTDFile;
import org.eclipse.wst.dtd.core.internal.emf.DTDObject;
public class DTDResourceImpl extends ResourceImpl {
public DTDResourceImpl() {
super();
}
public DTDResourceImpl(String filename) {
super(URI.createURI(filename));
// System.out.println(">>>> DTDResourceImpl ctor 1");
}
public DTDResourceImpl(URI uri) {
super(uri);
// System.out.println(">>>> DTDResourceImpl ctor 2");
}
/**
* Returns the resolved object for the given URI
* {@link URI#fragment fragment}.
* <p>
* The fragment encoding will typically be that produced by
* {@link #getURIFragment getURIFragment}.
* </p>
*
* @param uriFragment
* the fragment to resolve.
* @return the resolved object for the given fragment.
* @see #getURIFragment(EObject)
* @see org.eclipse.emf.ecore.resource.ResourceSet#getEObject(URI, boolean)
* @see org.eclipse.emf.ecore.util.EcoreUtil#resolve(EObject, org.eclipse.emf.ecore.resource.ResourceSet)
* @see org.eclipse.emf.ecore.InternalEObject#eObjectForURIFragmentSegment(String)
* @throws org.eclipse.emf.common.util.WrappedException
* if a problem occurs navigating the fragment.
*/
public EObject getEObject(java.lang.String uriFragment) {
EList contents = getContents();
if (contents != null) {
Iterator i = contents.iterator();
while (i.hasNext()) {
Object obj = i.next();
if (obj instanceof DTDFile) {
// there should only be one DTDFile in a DTD extent
EObject result = ((DTDFile) obj).findObject(uriFragment);
return result;
}
}
}
System.out.println(">>> DTDKey Error: cannot find object " + uriFragment); //$NON-NLS-1$
return super.getEObject(uriFragment);
}
/**
* Returns the URI {@link URI#fragment fragment} that, when passed to
* {@link #getEObject getEObject} will return the given object.
* <p>
* In other words, the following is <code>true</code> for any object
* contained by a resource:
*
* <pre>
*
* Resource resource = eObject.eResource();
* eObject == resource.getEObject(resource.getURIFragment(eObject))
*
* </pre>
*
* An implementation may choose to use IDs or to use structured URI
* fragments, as supported by
* {@link org.eclipse.emf.ecore.InternalEObject#eURIFragmentSegment eURIFragmentSegment}.
* </p>
*
* @param eObject
* the object to identify.
* @return the URI {@link URI#fragment fragment} for the object.
* @see #getEObject(String)
* @see org.eclipse.emf.ecore.InternalEObject#eURIFragmentSegment(org.eclipse.emf.core.EStructuralFeature,
* EObject)
*/
public java.lang.String getURIFragment(EObject eObject) {
if (eObject instanceof DTDObject) {
return ((DTDObject) eObject).getPathname();
}
return super.getURIFragment(eObject);
}
private DTDUtil dtdUtil;
public DTDUtil getDTDUtil() {
return dtdUtil;
}
public void setDTDUtil(DTDUtil dtdUtil) {
this.dtdUtil = dtdUtil;
}
public void load(Map options) {
String uriString = getURI().toString();
try {
DTDUtil dtdUtil = new DTDUtil();
dtdUtil.parse(getResourceSet(), uriString);
dtdUtil.setResource(this);
setDTDUtil(dtdUtil);
getContents().add(dtdUtil.getDTDFile());
// Reset the dirty flag after the resource is loaded
setModified(false);
}
catch (Exception exc) {
exc.printStackTrace();
}
}
public void save(OutputStream os, Object options) throws Exception {
if (contents != null) {
Iterator i = contents.iterator();
while (i.hasNext()) {
Object obj = i.next();
if (obj instanceof DTDFile) {
try {
DTDPrinter printer = new DTDPrinter(true);
printer.visitDTDFile((DTDFile) obj);
String s = printer.getBuffer().toString();
os.write(s.getBytes());
// Reset the dirty flag after the resource is saved
setModified(false);
}
catch (Exception e) {
}
break;
}
}
}
}
public void save(ZipOutputStream zos, String entry, String metaModelName) throws Exception {
throw new Exception(DTDCoreMessages._EXC_OPERATION_NOT_SUPPORTED); //$NON-NLS-1$
}
}
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