/*******************************************************************************
* Copyright (c) 2007 Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is 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:
* Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.seam.pages.xml.model;
import java.io.IOException;
import java.io.StringReader;
import java.io.StringWriter;
import org.jboss.tools.common.model.XModelException;
import org.jboss.tools.common.model.XModelObject;
import org.jboss.tools.common.model.filesystems.FileAuxiliary;
import org.jboss.tools.common.model.filesystems.impl.AbstractXMLFileImpl;
import org.jboss.tools.common.model.loaders.AuxiliaryLoader;
import org.jboss.tools.common.model.loaders.impl.SimpleWebFileLoader;
import org.jboss.tools.common.model.plugin.ModelPlugin;
import org.jboss.tools.common.model.util.EntityXMLRegistration;
import org.jboss.tools.common.model.util.XMLUtil;
import org.jboss.tools.common.model.util.XModelObjectLoaderUtil;
import org.jboss.tools.jst.web.model.AbstractWebDiagramLoader;
import org.jboss.tools.jst.web.model.WebProcessLoader;
import org.jboss.tools.seam.pages.xml.model.impl.SeamPagesDiagramImpl;
import org.w3c.dom.Document;
import org.w3c.dom.DocumentType;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
public class SeamPagesFileLoader extends AbstractWebDiagramLoader implements WebProcessLoader, SeamPagesConstants, AuxiliaryLoader {
public static String AUXILIARY_FILE_EXTENSION = "spdia";
public SeamPagesFileLoader() {}
protected FileAuxiliary createFileAuxiliary() {
return new FileAuxiliary(AUXILIARY_FILE_EXTENSION, false);
}
public void load(XModelObject object) {
// String entity = object.getModelEntity().getName();
String body = XModelObjectLoaderUtil.getTempBody(object);
int resolution = EntityXMLRegistration.getInstance().resolve(object.getModelEntity());
if(EntityXMLRegistration.isSystemId(body)) resolution = EntityXMLRegistration.UNRESOLVED;
String[] errors =
XMLUtil.getXMLErrors(new StringReader(body), resolution == EntityXMLRegistration.DTD, resolution == EntityXMLRegistration.SCHEMA);
boolean hasErrors = (errors != null && errors.length > 0);
if(hasErrors) {
object.setAttributeValue("isIncorrect", "yes");
object.setAttributeValue("incorrectBody", body);
object.set("actualBodyTimeStamp", "-1");
} else {
object.setAttributeValue("isIncorrect", "no");
object.set("correctBody", body);
object.set("actualBodyTimeStamp", "0");
object.setAttributeValue("incorrectBody", "");
}
Document doc = XMLUtil.getDocument(new StringReader(body));
if(doc == null) {
XModelObjectLoaderUtil.addRequiredChildren(object);
return;
}
Element element = doc.getDocumentElement();
util.load(element, object);
// ((FileSeamPagesImpl)object).updateRuleIndices();
setEncoding(object, body);
if(object.getModelEntity().getAttribute("systemId") != null) {
NodeList nl = doc.getChildNodes();
for (int i = 0; i < nl.getLength(); i++) {
Node n = nl.item(i);
if(n instanceof DocumentType) {
DocumentType dt = (DocumentType)n;
object.setAttributeValue("systemId", dt.getSystemId());
if(dt.getPublicId() == null) {
object.setAttributeValue("publicId", "null");
}
}
}
}
String loadingError = util.getError();
reloadProcess(object);
object.set("actualBodyTimeStamp", "" + object.getTimeStamp());
((AbstractXMLFileImpl)object).setLoaderError(loadingError);
if(!hasErrors && loadingError != null) {
object.setAttributeValue("isIncorrect", "yes");
object.setAttributeValue("incorrectBody", body);
object.set("actualBodyTimeStamp", "" + object.getTimeStamp());
}
}
public void reloadProcess(XModelObject object) {
SeamPagesDiagramImpl diagram = (SeamPagesDiagramImpl)object.getChildByPath(ELM_DIAGRAM);
if(diagram == null) return;
diagram.setReference(object);
if(!object.isActive()) return;
String bodyAux = (object.getParent() == null ? null : aux.read(object.getParent(), object));
if (bodyAux != null) {
Document doc2 = XMLUtil.getDocument(new StringReader(bodyAux));
if (doc2 == null) {
//JSFModelPlugin.log("Unable to parse aux body of "+object.getPath());
} else {
util.load(doc2.getDocumentElement(), diagram);
}
}
diagram.setReference(null);
diagram.firePrepared();
}
public boolean saveLayout(XModelObject object) {
if(object == null || !object.isActive()) return false;
XModelObjectLoaderUtil util = new XModelObjectLoaderUtil();
try {
XModelObject diagram = object.getChildByPath(ELM_DIAGRAM);
if(diagram == null) return true;
diagram.setModified(true);
Element element = XMLUtil.createDocumentElement("diagram");
util.saveAttributes(element, diagram);
util.saveChildren(element, diagram);
StringWriter sw = new StringWriter();
XModelObjectLoaderUtil.serialize(element, sw);
XModelObjectLoaderUtil.setTempBody(diagram, sw.toString());
aux.write(object.getParent(), object, diagram);
return true;
} catch (IOException exc) {
ModelPlugin.getPluginLog().logError(exc);
return false;
}
}
public String serializeMainObject(XModelObject object) {
// String entity = object.getModelEntity().getName();
String systemId = object.getAttributeValue("systemId");
String publicId = object.getAttributeValue("publicId");
if("null".equals(publicId)) publicId = null;
if(systemId != null) {
if(systemId != null && systemId.length() == 0) systemId = SYSTEM_ID_12;
if(publicId != null && publicId.length() == 0) publicId = PUBLIC_ID_12;
}
Element element = (systemId == null && publicId == null)
? XMLUtil.createDocumentElement(object.getModelEntity().getXMLSubPath())
: XMLUtil.createDocumentElement(object.getModelEntity().getXMLSubPath(), DOC_QUALIFIEDNAME, publicId, systemId, null);
util.setup(null, false);
util.saveAttributes(element, object);
util.saveChildren(element, object);
util.saveFinalComment(element, object);
element.removeAttribute("NAME");
element.removeAttribute("EXTENSION");
try {
return SimpleWebFileLoader.serialize(element, object);
} catch (IOException e) {
ModelPlugin.getPluginLog().logError(e);
return null;
} catch (XModelException e) {
ModelPlugin.getPluginLog().logError(e);
return null;
}
}
protected XModelObjectLoaderUtil createUtil() {
return new SeamPagesLoaderUtil();
}
}