/*
 * Copyright 2003-2011 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 jetbrains.mps.reloading;

import org.jetbrains.annotations.NotNull;

import java.io.File;
import java.util.LinkedHashSet;
import java.util.Set;

public class ClasspathStringCollector extends EachClassPathItemVisitor {
  @NotNull
  private final LinkedHashSet<String> myStrings = new LinkedHashSet<String>();
  private final boolean myUseSystemSeparator;

  public ClasspathStringCollector() {
    this(true);
  }

  public ClasspathStringCollector(boolean useSystemSeparator) {
    myUseSystemSeparator = useSystemSeparator;
  }

  private String separator() {
    return myUseSystemSeparator ? File.separator : "/";
  }

  @Override
  public void visit(FileClassPathItem cpItem) {
    myStrings.add(cpItem.getPath().replace("/", separator()).replace("\\", separator()));
  }

  @Override
  public void visit(JarFileClassPathItem cpItem) {
    myStrings.add(cpItem.getFile().getAbsolutePath().replace("/", separator()).replace("\\", separator()));
  }

  public Set<String> getClasspath() {
    return myStrings;
  }

  public void clean() {
    myStrings.clear();
  }
}
