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'rapiddweller Common' is an open source Java library forked from Databene Commons by Volker Bergmann. It provides extensions to the Java core library by utility classes, abstract concepts and concrete implementations.

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/*
 * Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
 * All rights reserved.
 *
 * 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.rapiddweller.common.iterator;

import com.rapiddweller.common.HeavyweightIterator;
import com.rapiddweller.common.HeavyweightTypedIterable;
import com.rapiddweller.common.IOUtil;
import com.rapiddweller.common.ReaderLineIterator;

import java.io.IOException;

/**
 * Creates Iterator object that iterate through the lines of a text file from the specified uri.
 * Created: 27.08.2007 19:13:40
 *
 * @author Volker Bergmann
 */
public class TextLineIterable implements HeavyweightTypedIterable {

  private final String uri;

  /**
   * Instantiates a new Text line iterable.
   *
   * @param uri the uri
   */
  public TextLineIterable(String uri) {
    this.uri = uri;
  }

  @Override
  public Class getType() {
    return String.class;
  }

  @Override
  public HeavyweightIterator iterator() {
    try {
      return new ReaderLineIterator(IOUtil.getReaderForURI(uri));
    } catch (IOException e) {
      throw new RuntimeException("Unable to create an Iterator for URI '" + uri + "'", e);
    }
  }

}