org.apache.tools.ant.filters
Class LineContains
java.lang.Object
|
+--java.io.Reader
|
+--java.io.FilterReader
|
+--org.apache.tools.ant.filters.BaseFilterReader
|
+--org.apache.tools.ant.filters.BaseParamFilterReader
|
+--org.apache.tools.ant.filters.LineContains
- All Implemented Interfaces:
- ChainableReader, Parameterizable
- public final class LineContains
- extends BaseParamFilterReader
- implements ChainableReader
Filter which includes only those lines that contain all the user-specified
strings.
Example:
<linecontains>
<contains value="foo">
<contains value="bar">
</linecontains>
Or:
<filterreader classname="org.apache.tools.ant.filters.LineContains">
<param type="contains" value="foo"/>
<param type="contains" value="bar"/>
</filterreader>
This will include only those lines that contain foo
and
bar
.
Fields inherited from class java.io.FilterReader |
in |
Fields inherited from class java.io.Reader |
lock |
Constructor Summary |
LineContains()
Constructor for "dummy" instances. |
LineContains(java.io.Reader in)
Creates a new filtered reader. |
Method Summary |
void |
addConfiguredContains(LineContains.Contains contains)
Adds a contains element. |
java.io.Reader |
chain(java.io.Reader rdr)
Creates a new LineContains using the passed in
Reader for instantiation. |
int |
read()
Returns the next character in the filtered stream, only including
lines from the original stream which contain all of the specified words. |
Methods inherited from class java.io.FilterReader |
close, mark, markSupported, ready, reset |
Methods inherited from class java.io.Reader |
read |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
LineContains
public LineContains()
- Constructor for "dummy" instances.
- See Also:
BaseFilterReader.BaseFilterReader()
LineContains
public LineContains(java.io.Reader in)
- Creates a new filtered reader.
- Parameters:
in
- A Reader object providing the underlying stream.
Must not be null
.
read
public final int read()
throws java.io.IOException
- Returns the next character in the filtered stream, only including
lines from the original stream which contain all of the specified words.
- Overrides:
read
in class java.io.FilterReader
- Returns:
- the next character in the resulting stream, or -1
if the end of the resulting stream has been reached
- Throws:
java.io.IOException
- if the underlying stream throws an IOException
during reading
addConfiguredContains
public final void addConfiguredContains(LineContains.Contains contains)
- Adds a
contains
element.
- Parameters:
contains
- The contains
element to add.
Must not be null
.
chain
public final java.io.Reader chain(java.io.Reader rdr)
- Creates a new LineContains using the passed in
Reader for instantiation.
- Specified by:
chain
in interface ChainableReader
- Parameters:
rdr
- A Reader object providing the underlying stream.
Must not be null
.
- Returns:
- a new filter based on this configuration, but filtering
the specified reader
Copyright © 2000-2004 Apache Software Foundation. All Rights Reserved.