JointCompilationClassLoader.java

/*
 * Copyright 2000-2015 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.incremental.groovy;

import com.intellij.util.lang.ClassPath;
import com.intellij.util.lang.UrlClassLoader;
import org.jetbrains.annotations.NotNull;

/**
 * @author peter
 */
class JointCompilationClassLoader extends UrlClassLoader {
  @NotNull private final Builder myBuilder;
  @NotNull private ClassPath myClassPath;

  JointCompilationClassLoader(@NotNull Builder builder) {
    super(builder);
    myBuilder = builder;
    myClassPath = super.getClassPath();
  }

  @Override
  protected Class _defineClass(String name, byte[] b) {
    try {
      return super._defineClass(name, b);
    }
    catch (NoClassDefFoundError e) {
      NoClassDefFoundError wrap = new NoClassDefFoundError(e.getMessage() + " needed for " + name);
      wrap.initCause(e);
      throw wrap;
    }
  }

  @NotNull
  @Override
  protected ClassPath getClassPath() {
    return myClassPath;
  }

  void resetCache() {
    myClassPath = createClassPath(myBuilder);
  }
}