jps/jps-builders/src/org/jetbrains/jps/incremental/artifacts/impl/JpsArtifactPathUtil.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.jps.incremental.artifacts.impl;

import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.util.text.StringUtilRt;
import org.jetbrains.annotations.NotNull;

import java.io.File;

/**
 * @author nik
 */
public class JpsArtifactPathUtil {
  //todo[nik] copied from DeploymentUtil
  public static String trimForwardSlashes(@NotNull String path) {
    while (path.length() != 0 && (path.charAt(0) == '/' || path.charAt(0) == File.separatorChar)) {
      path = path.substring(1);
    }
    return path;
  }

  //todo[nik] copied from DeploymentUtil
  public static String appendToPath(@NotNull String basePath, @NotNull String relativePath) {
    final boolean endsWithSlash = StringUtilRt.endsWithChar(basePath, '/') || StringUtilRt.endsWithChar(basePath, '\\');
    final boolean startsWithSlash = StringUtil.startsWithChar(relativePath, '/') || StringUtil.startsWithChar(relativePath, '\\');
    String tail;
    if (endsWithSlash && startsWithSlash) {
      tail = trimForwardSlashes(relativePath);
    }
    else if (!endsWithSlash && !startsWithSlash && basePath.length() > 0 && relativePath.length() > 0) {
      tail = "/" + relativePath;
    }
    else {
      tail = relativePath;
    }
    return basePath + tail;
  }
}