001    /*
002     * Copyright (C) 2009 The Guava Authors
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package com.google.common.io;
018    
019    import java.io.DataInput;
020    import java.io.IOException;
021    
022    /**
023     * An extension of {@code DataInput} for reading from in-memory byte arrays; its
024     * methods offer identical functionality but do not throw {@link IOException}.
025     * If any method encounters the end of the array prematurely, it throws {@link
026     * IllegalStateException}.
027     *
028     * @author Kevin Bourrillion
029     * @since 1.0
030     */
031    public interface ByteArrayDataInput extends DataInput {
032      @Override void readFully(byte b[]);
033      @Override void readFully(byte b[], int off, int len);
034      @Override int skipBytes(int n);
035      @Override boolean readBoolean();
036      @Override byte readByte();
037      @Override int readUnsignedByte();
038      @Override short readShort();
039      @Override int readUnsignedShort();
040      @Override char readChar();
041      @Override int readInt();
042      @Override long readLong();
043      @Override float readFloat();
044      @Override double readDouble();
045      @Override String readLine();
046      @Override String readUTF();
047    }