/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with 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
*
* 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.uima.caseditor.core.model;
import java.io.File;
import org.apache.uima.UIMAFramework;
import org.apache.uima.caseditor.CasEditorPlugin;
import org.apache.uima.caseditor.core.model.delta.INlpElementDelta;
import org.apache.uima.caseditor.core.uima.CasConsumerConfiguration;
import org.apache.uima.caseditor.core.util.MarkerUtil;
import org.apache.uima.collection.CasConsumerDescription;
import org.apache.uima.util.InvalidXMLException;
import org.apache.uima.util.XMLInputSource;
import org.apache.uima.util.XMLParser;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
/**
* The ConsumerELement contains the uima consumer descriptor.
*/
public class ConsumerElement extends AbstractNlpElement {
private CasProcessorFolder mParent;
private IFile mConsumerResource;
private CasConsumerConfiguration mConsumerConfiguration;
ConsumerElement(CasProcessorFolder config, IFile consumer) throws CoreException {
mParent = config;
mConsumerResource = consumer;
mConsumerConfiguration = createConsumerConfiguration();
}
/**
* Retrieves the {@link CasConsumerConfiguration}.
*
* @return the configuration
*/
public CasConsumerConfiguration getConsumerConfiguration() {
return mConsumerConfiguration;
}
/**
* @return the configuration
*
* @throws CoreException
*/
private CasConsumerConfiguration createConsumerConfiguration() throws CoreException {
Runnable clearMarkers = new Runnable() {
public void run() {
try {
MarkerUtil.clearMarkers(mConsumerResource, MarkerUtil.PROBLEM_MARKER);
} catch (CoreException e) {
CasEditorPlugin.log(e);
}
}
};
((NlpModel) getNlpProject().getParent()).asyncExcuteQueue(clearMarkers);
String dataPath = ((IFolder) mParent.getResource()).getLocation().toOSString();
XMLInputSource inCasConsumer =
new XMLInputSource(mConsumerResource.getContents(), new File(dataPath));
XMLParser xmlParser = UIMAFramework.getXMLParser();
CasConsumerDescription casConsumerDesciptor;
try {
// TODO: this throws a class cast exception if the file has an other descriptor, check it
casConsumerDesciptor = (CasConsumerDescription) xmlParser.parse(inCasConsumer);
} catch (final InvalidXMLException e) {
Runnable createMarker = new Runnable() {
public void run() {
try {
MarkerUtil.createMarker(mConsumerResource, e);
} catch (CoreException e2) {
CasEditorPlugin.log(e2);
}
}
};
((NlpModel) getNlpProject().getParent()).asyncExcuteQueue(createMarker);
return null;
} catch (ClassCastException e) {
Runnable createMarker = new Runnable() {
public void run() {
try {
MarkerUtil.createMarker(mConsumerResource, "This file must contain a cas consumer!");
} catch (CoreException e2) {
CasEditorPlugin.log(e2);
}
}
};
((NlpModel) getNlpProject().getParent()).asyncExcuteQueue(createMarker);
return null;
}
CasConsumerConfiguration trainerConfiguration =
new CasConsumerConfiguration(this, casConsumerDesciptor);
trainerConfiguration.setBaseFolder((IFolder) getParent().getResource());
return trainerConfiguration;
}
@Override
void addResource(INlpElementDelta delta, IResource resource) {
// just do nothing, no children
}
@Override
void changedResource(IResource resource, INlpElementDelta delta) throws CoreException {
mConsumerConfiguration = createConsumerConfiguration();
}
@Override
void removeResource(INlpElementDelta delta, IResource resource) {
// just do nothing, no children
}
/**
* Retrieves the name.
*/
public String getName() {
return getResource().getName();
}
/**
* Retrieves the parent {@link NlpProject} instance.
*/
public NlpProject getNlpProject() {
return getParent().getNlpProject();
}
/**
* Retrieves the direct parent.
*/
public INlpElement getParent() {
return mParent;
}
/**
* Retrieves the {@link IResource} object belonging to the current instance.
*/
public IResource getResource() {
return mConsumerResource;
}
}