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java.lang.Objectjava.io.InputStream
java.io.FilterInputStream
org.apache.commons.io.input.ProxyInputStream
public abstract class ProxyInputStream
A Proxy stream which acts as expected, that is it passes the method calls on to the proxied stream and doesn't change which methods are being called.
It is an alternative base class to FilterInputStream to increase reusability, because FilterInputStream changes the methods being called, such as read(byte[]) to read(byte[], int, int).
Field Summary |
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Fields inherited from class java.io.FilterInputStream |
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in |
Constructor Summary | |
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ProxyInputStream(java.io.InputStream proxy)
Constructs a new ProxyInputStream. |
Method Summary | |
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int |
available()
Invokes the delegate's available() method. |
void |
close()
Invokes the delegate's close() method. |
void |
mark(int idx)
Invokes the delegate's mark(int) method. |
boolean |
markSupported()
Invokes the delegate's markSupported() method. |
int |
read()
Invokes the delegate's read() method. |
int |
read(byte[] bts)
Invokes the delegate's read(byte[]) method. |
int |
read(byte[] bts,
int st,
int end)
Invokes the delegate's read(byte[], int, int) method. |
void |
reset()
Invokes the delegate's reset() method. |
long |
skip(long ln)
Invokes the delegate's skip(long) method. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ProxyInputStream(java.io.InputStream proxy)
proxy
- the InputStream to delegate toMethod Detail |
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public int read() throws java.io.IOException
read()
method.
read
in class java.io.FilterInputStream
java.io.IOException
- if an I/O error occurspublic int read(byte[] bts) throws java.io.IOException
read(byte[])
method.
read
in class java.io.FilterInputStream
bts
- the buffer to read the bytes into
java.io.IOException
- if an I/O error occurspublic int read(byte[] bts, int st, int end) throws java.io.IOException
read(byte[], int, int)
method.
read
in class java.io.FilterInputStream
bts
- the buffer to read the bytes intost
- The start offsetend
- The number of bytes to read
java.io.IOException
- if an I/O error occurspublic long skip(long ln) throws java.io.IOException
skip(long)
method.
skip
in class java.io.FilterInputStream
ln
- the number of bytes to skip
java.io.IOException
- if an I/O error occurspublic int available() throws java.io.IOException
available()
method.
available
in class java.io.FilterInputStream
java.io.IOException
- if an I/O error occurspublic void close() throws java.io.IOException
close()
method.
close
in interface java.io.Closeable
close
in class java.io.FilterInputStream
java.io.IOException
- if an I/O error occurspublic void mark(int idx)
mark(int)
method.
mark
in class java.io.FilterInputStream
idx
- read ahead limitpublic void reset() throws java.io.IOException
reset()
method.
reset
in class java.io.FilterInputStream
java.io.IOException
- if an I/O error occurspublic boolean markSupported()
markSupported()
method.
markSupported
in class java.io.FilterInputStream
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