NativeLibUtil.java

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// Copyright 2012 Cloudera Inc.
//
// 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 com.cloudera.impala.util;

import java.io.File;

public class NativeLibUtil {
  public static void loadLibrary(String libFileName) {
    boolean found = false;
    String javaLibPath = System.getProperty("java.library.path");
    for (String path: javaLibPath.split(":")) {
      File libFile = new File(path + File.separator + libFileName);
      if (libFile.exists()) {
        System.load(libFile.getPath());
        found = true;
        break;
      }
    }
    if (!found) {
      throw new RuntimeException("Failed to load " + libFileName + " from any " +
          "location in java.library.path (" + javaLibPath + ").");
    }
  }
}