jps/standalone-builder/src/org/jetbrains/jps/idea/IdeaProjectLoader.groovy


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/*
 * Copyright 2000-2014 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.jps.idea

/**
 * @author max
 */
public class IdeaProjectLoader {
  public static String guessHome(Script script) {
    String uri = script["gant.file"]
    File home = new File(new URI(uri).getSchemeSpecificPart())

    while (home != null) {
      if (home.isDirectory() && new File(home, ".idea").exists()) {
        return home.getCanonicalPath()
      }

      home = home.getParentFile()
    }

    throw new IllegalArgumentException("Cannot guess project home from '" + uri + "'")
  }
}