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Java Source Code / Java Documentation » 6.0 JDK Core » Collections Jar Zip Logging regex » java.util.zip   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    java.io.InputStream       java.io.FilterInputStream          java.util.zip.CheckedInputStream CheckedInputStream public class CheckedInputStream extends FilterInputStream (Code) An input stream that also maintains a checksum of the data being read. The checksum can then be used to verify the integrity of the input data. See Also:   Checksum version:    1.28, 05/05/07 author:    David Connelly Constructor Summary public   CheckedInputStream(InputStream in, Checksum cksum)      Creates an input stream using the specified Checksum. Method Summary public  Checksum getChecksum()      Returns the Checksum for this input stream. public  int read()      Reads a byte. public  int read(byte[] buf, int off, int len)      Reads into an array of bytes. public  long skip(long n)      Skips specified number of bytes of input. Constructor Detail CheckedInputStream public CheckedInputStream(InputStream in, Checksum cksum)(Code) Creates an input stream using the specified Checksum. Parameters:   in - the input stream Parameters:   cksum - the Checksum Method Detail getChecksum public Checksum getChecksum()(Code) Returns the Checksum for this input stream. the Checksum value read public int read() throws IOException(Code) Reads a byte. Will block if no input is available. the byte read, or -1 if the end of the stream is reached. exception:   IOException - if an I/O error has occurred read public int read(byte[] buf, int off, int len) throws IOException(Code) Reads into an array of bytes. If len is not zero, the method blocks until some input is available; otherwise, no bytes are read and 0 is returned. Parameters:   buf - the buffer into which the data is read Parameters:   off - the start offset in the destination array b Parameters:   len - the maximum number of bytes read the actual number of bytes read, or -1 if the endof the stream is reached. exception:   NullPointerException - If buf is null. exception:   IndexOutOfBoundsException - If off is negative, len is negative, or len is greater than buf.length - off exception:   IOException - if an I/O error has occurred skip public long skip(long n) throws IOException(Code) Skips specified number of bytes of input. Parameters:   n - the number of bytes to skip the actual number of bytes skipped exception:   IOException - if an I/O error has occurred Fields inherited from java.io.FilterInputStream protected volatile InputStream in(Code)(Java Doc) Methods inherited from java.io.FilterInputStream public int available() throws IOException(Code)(Java Doc) public void close() throws IOException(Code)(Java Doc) public synchronized void mark(int readlimit)(Code)(Java Doc) public boolean markSupported()(Code)(Java Doc) public int read() throws IOException(Code)(Java Doc) public int read(byte b) throws IOException(Code)(Java Doc) public int read(byte b, int off, int len) throws IOException(Code)(Java Doc) public synchronized void reset() throws IOException(Code)(Java Doc) public long skip(long n) throws IOException(Code)(Java Doc) Methods inherited from java.io.InputStream public int available() throws IOException(Code)(Java Doc) public void close() throws IOException(Code)(Java Doc) public synchronized void mark(int readlimit)(Code)(Java Doc) public boolean markSupported()(Code)(Java Doc) abstract public int read() throws IOException(Code)(Java Doc) public int read(byte b) throws IOException(Code)(Java Doc) public int read(byte b, int off, int len) throws IOException(Code)(Java Doc) public synchronized void reset() throws IOException(Code)(Java Doc) public long skip(long n) throws IOException(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)