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ProGuardCORE is a free library to read, analyze, modify, and write Java class files.
There is a newer version: 9.1.6
/*
 * ProGuardCORE -- library to process Java bytecode.
 *
 * Copyright (c) 2002-2020 Guardsquare NV
 *
 * 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 proguard.io;

import java.io.*;

/**
 * This class delegates its method calls to the corresponding {@link DataInput} methods, converting
 * its IOExceptions to RuntimeExceptions.
 *
 * @author Eric Lafortune
 */
public class RuntimeDataInput {
  private final DataInput dataInput;

  public RuntimeDataInput(DataInput dataInput) {
    this.dataInput = dataInput;
  }

  // Methods delegating to DataInput.

  public boolean readBoolean() {
    try {
      return dataInput.readBoolean();
    } catch (IOException ex) {
      throw new RuntimeException(ex.getMessage(), ex);
    }
  }

  public byte readByte() {
    try {
      return dataInput.readByte();
    } catch (IOException ex) {
      throw new RuntimeException(ex.getMessage(), ex);
    }
  }

  public char readChar() {
    try {
      return dataInput.readChar();
    } catch (IOException ex) {
      throw new RuntimeException(ex.getMessage(), ex);
    }
  }

  public double readDouble() {
    try {
      return dataInput.readDouble();
    } catch (IOException ex) {
      throw new RuntimeException(ex.getMessage(), ex);
    }
  }

  public float readFloat() {
    try {
      return dataInput.readFloat();
    } catch (IOException ex) {
      throw new RuntimeException(ex.getMessage(), ex);
    }
  }

  public void readFully(byte[] b) {
    try {
      dataInput.readFully(b);
    } catch (IOException ex) {
      throw new RuntimeException(ex.getMessage(), ex);
    }
  }

  public void readFully(byte[] b, int off, int len) {
    try {
      dataInput.readFully(b, off, len);
    } catch (IOException ex) {
      throw new RuntimeException(ex.getMessage(), ex);
    }
  }

  public int readInt() {
    try {
      return dataInput.readInt();
    } catch (IOException ex) {
      throw new RuntimeException(ex.getMessage(), ex);
    }
  }

  public String readLine() {
    try {
      return dataInput.readLine();
    } catch (IOException ex) {
      throw new RuntimeException(ex.getMessage(), ex);
    }
  }

  public long readLong() {
    try {
      return dataInput.readLong();
    } catch (IOException ex) {
      throw new RuntimeException(ex.getMessage(), ex);
    }
  }

  public short readShort() {
    try {
      return dataInput.readShort();
    } catch (IOException ex) {
      throw new RuntimeException(ex.getMessage(), ex);
    }
  }

  public int readUnsignedByte() {
    try {
      return dataInput.readUnsignedByte();
    } catch (IOException ex) {
      throw new RuntimeException(ex.getMessage(), ex);
    }
  }

  public int readUnsignedShort() {
    try {
      return dataInput.readUnsignedShort();
    } catch (IOException ex) {
      throw new RuntimeException(ex.getMessage(), ex);
    }
  }

  public String readUTF() {
    try {
      return dataInput.readUTF();
    } catch (IOException ex) {
      throw new RuntimeException(ex.getMessage(), ex);
    }
  }

  public int skipBytes(int n) {
    try {
      return dataInput.skipBytes(n);
    } catch (IOException ex) {
      throw new RuntimeException(ex.getMessage(), ex);
    }
  }
}