AntDomDefaultTargetConverter.java

/*
 * Copyright 2000-2010 JetBrains s.r.o.
 *
 * Licensed 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.napile.idea.thermit.dom;

import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.napile.idea.thermit.ThermitSupport;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiFileSystemItem;
import com.intellij.psi.PsiReference;
import com.intellij.util.xml.ConvertContext;
import com.intellij.util.xml.Converter;
import com.intellij.util.xml.CustomReferenceConverter;
import com.intellij.util.xml.GenericDomValue;

/**
 * @author Eugene Zhuravlev
 *         Date: Apr 16, 2010
 */
public class AntDomDefaultTargetConverter extends Converter<TargetResolver.Result> implements CustomReferenceConverter<TargetResolver.Result>
{

	@NotNull
	public PsiReference[] createReferences(final GenericDomValue<TargetResolver.Result> value, PsiElement element, ConvertContext context)
	{
		return new PsiReference[]{new AntDomTargetReference(element)};
	}

	@Nullable
	public TargetResolver.Result fromString(@Nullable @NonNls String s, ConvertContext context)
	{
		final AntDomElement element = ThermitSupport.getInvocationAntDomElement(context);
		if(element != null && s != null)
		{
			final AntDomProject project = element.getAntProject();
			AntDomProject projectToSearchFrom;
			final AntDomAnt antDomAnt = element.getParentOfType(AntDomAnt.class, false);
			if(antDomAnt != null)
			{
				final PsiFileSystemItem antFile = antDomAnt.getAntFilePath().getValue();
				projectToSearchFrom = antFile instanceof PsiFile ? ThermitSupport.getAntDomProjectForceAntFile((PsiFile) antFile) : null;
			}
			else
			{
				projectToSearchFrom = project.getContextAntProject();
			}
			if(projectToSearchFrom == null)
			{
				return null;
			}
			final TargetResolver.Result result = TargetResolver.resolve(projectToSearchFrom, null, s);
			result.setRefsString(s);
			return result;
		}
		return null;
	}

	@Nullable
	public String toString(@Nullable TargetResolver.Result result, ConvertContext context)
	{
		return result != null ? result.getRefsString() : null;
	}

}