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    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  package org.apache.commons.geometry.io.core.input;
    18
    19  import java.io.InputStream;
    20  import java.nio.charset.Charset;
    21
    22  import org.apache.commons.geometry.io.core.AbstractGeometryIOMetadata;
    23
    24  /** {@link GeometryInput} implementation that wraps an {@link InputStream}.
    25   */
    26  public class StreamGeometryInput extends AbstractGeometryIOMetadata
    27      implements GeometryInput {
    28
    29      /** Input stream. */
    30      private final InputStream in;
    31
    32      /** Construct a new instance that reads from the given input stream with
    33       * no configured file name or charset.
    34       * @param in input stream
    35       */
    36      public StreamGeometryInput(final InputStream in) {
    37          this(in, null, null);
    38      }
    39
    40      /** Construct a new instance that reads from the given input stream with the
    41       * configured file name but no charset.
    42       * @param in input stream
    43       * @param fileName input file name; may be null
    44       */
    45      public StreamGeometryInput(final InputStream in, final String fileName) {
    46          this(in, fileName, null);
    47      }
    48
    49      /** Construct a new instance that reads from the given input stream with the configured
    50       * file name and charset.
    51       * @param in input stream
    52       * @param fileName input file name; may be null
    53       * @param charset input charset; may be null
    54       */
    55      public StreamGeometryInput(final InputStream in, final String fileName, final Charset charset) {
    56          super(fileName, charset);
    57
    58          this.in = in;
    59      }
    60
    61      /** {@inheritDoc} */
    62      @Override
    63      public InputStream getInputStream() {
    64          return in;
    65      }
    66  }