/*******************************************************************************
* Copyright (c) 2013, 2013 Bruno Medeiros and other Contributors.
* 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:
* Bruno Medeiros - initial API and implementation
*******************************************************************************/
package dtool.dub;
import static melnorme.utilbox.core.Assert.AssertNamespace.assertNotNull;
import java.io.IOException;
import java.util.ArrayList;
import melnorme.utilbox.misc.ArrayUtil;
import com.google.gson.stream.JsonToken;
import dtool.dub.DubBundle.DubBundleException;
import dtool.util.JsonReaderExt;
public class DubDescribeParser extends CommonDubParser {
public static final String ERROR_PACKAGES_IS_EMPTY = "'packages' entry is empty or missing.";
public static DubBundleDescription parseDescription(BundlePath bundlePath, String describeSource) {
assertNotNull(bundlePath);
return new DubDescribeParser().parseInput(bundlePath, describeSource);
}
protected String bundleName;
protected ArrayList<DubBundle> bundles;
public DubDescribeParser() {
}
public DubBundleDescription parseInput(BundlePath bundlePath, String describeSource) {
try {
parseFromSource(describeSource);
} catch (DubBundleException e) {
dubError = e;
}
if(bundles == null || bundles.size() == 0) {
if(bundleName == null) {
bundleName = "<error_undefined>";
}
putError(ERROR_PACKAGES_IS_EMPTY);
return new DubBundleDescription(new DubBundle(bundlePath, bundleName, dubError));
} else {
DubBundle mainBundle = bundles.remove(0);
DubBundle[] bundleDeps = ArrayUtil.createFrom(bundles, DubBundle.class);
return new DubBundleDescription(mainBundle, bundleDeps);
}
}
@Override
protected void readData(JsonReaderExt jsonParser) throws IOException {
jsonParser.consumeExpected(JsonToken.BEGIN_OBJECT);
while(jsonParser.hasNext()) {
JsonToken tokenType = jsonParser.peek();
if(tokenType == JsonToken.NAME) {
String propertyName = jsonParser.nextName();
if(propertyName.equals("mainPackage")) {
bundleName = jsonParser.consumeStringValue();
} else if(propertyName.equals("packages")) {
bundles = readDescribedBundles(jsonParser);
} else {
jsonParser.skipValue();
}
} else {
jsonParser.errorUnexpected(tokenType);
}
}
jsonParser.consumeExpected(JsonToken.END_OBJECT);
}
protected static ArrayList<DubBundle> readDescribedBundles(JsonReaderExt jsonParser) throws IOException {
jsonParser.consumeExpected(JsonToken.BEGIN_ARRAY);
ArrayList<DubBundle> bundles = new ArrayList<>();
while(jsonParser.hasNext()) {
JsonToken tokenType = jsonParser.peek();
if(tokenType == JsonToken.BEGIN_OBJECT) {
DubBundle bundle = new DubManifestParser().readBundle(jsonParser).createBundle(null, false);
bundles.add(bundle);
} else {
jsonParser.errorUnexpected(tokenType);
}
}
jsonParser.consumeExpected(JsonToken.END_ARRAY);
return bundles;
}
}