plugins/maven/src/main/java/org/jetbrains/idea/maven/dom/converters/MavenDependencySystemPathConverter.java

/*
 * Copyright 2000-2012 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.jetbrains.idea.maven.dom.converters;

import com.intellij.openapi.util.Condition;
import com.intellij.openapi.vfs.LocalFileSystem;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.*;
import com.intellij.util.xml.ConvertContext;
import com.intellij.util.xml.CustomReferenceConverter;
import com.intellij.util.xml.GenericDomValue;
import com.intellij.util.xml.ResolvingConverter;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.idea.maven.dom.references.MavenPathReferenceConverter;

import java.util.Collection;
import java.util.Collections;

public class MavenDependencySystemPathConverter extends ResolvingConverter<PsiFile> implements CustomReferenceConverter {
  @Override
  public PsiFile fromString(@Nullable @NonNls String s, ConvertContext context) {
    if (s == null) return null;
    VirtualFile f = LocalFileSystem.getInstance().findFileByPath(s);
    if (f == null) return null;
    return context.getPsiManager().findFile(f);
  }

  public String toString(@Nullable PsiFile file, ConvertContext context) {
    if (file == null) return null;
    return file.getVirtualFile().getPath();
  }

  @NotNull
  public Collection<PsiFile> getVariants(ConvertContext context) {
    return Collections.emptyList();
  }

  @NotNull
  public PsiReference[] createReferences(final GenericDomValue genericDomValue, final PsiElement element, final ConvertContext context) {
    return MavenPathReferenceConverter.createReferences(genericDomValue, element, new Condition<PsiFileSystemItem>() {
      @Override
      public boolean value(PsiFileSystemItem item) {
        return (item instanceof PsiDirectory) || item.getName().endsWith(".jar");
      }
    }, true);
  }
}