org.apache.tools.ant.filters
Class TabsToSpaces
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.TabsToSpaces
- All Implemented Interfaces:
- java.io.Closeable, java.lang.Readable, ChainableReader, Parameterizable
public final class TabsToSpaces
- extends BaseParamFilterReader
- implements ChainableReader
Converts tabs to spaces.
Example:
<tabtospaces tablength="8"/>
Or:
<filterreader classname="org.apache.tools.ant.filters.TabsToSpaces">
<param name="tablength" value="8"/>
</filterreader>
Fields inherited from class java.io.FilterReader |
in |
Fields inherited from class java.io.Reader |
lock |
Constructor Summary |
TabsToSpaces()
Constructor for "dummy" instances. |
TabsToSpaces(java.io.Reader in)
Creates a new filtered reader. |
Method Summary |
java.io.Reader |
chain(java.io.Reader rdr)
Creates a new TabsToSpaces using the passed in
Reader for instantiation. |
int |
read()
Returns the next character in the filtered stream, converting tabs
to the specified number of spaces. |
void |
setTablength(int tabLength)
Sets the tab length. |
Methods inherited from class java.io.FilterReader |
close, mark, markSupported, ready, reset |
Methods inherited from class java.io.Reader |
read, read |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
TabsToSpaces
public TabsToSpaces()
- Constructor for "dummy" instances.
- See Also:
BaseFilterReader.BaseFilterReader()
TabsToSpaces
public TabsToSpaces(java.io.Reader in)
- Creates a new filtered reader.
- Parameters:
in
- A Reader object providing the underlying stream.
Must not be null
.
read
public int read()
throws java.io.IOException
- Returns the next character in the filtered stream, converting tabs
to the specified number of spaces.
- 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
setTablength
public void setTablength(int tabLength)
- Sets the tab length.
- Parameters:
tabLength
- the number of spaces to be used when converting a tab.
chain
public java.io.Reader chain(java.io.Reader rdr)
- Creates a new TabsToSpaces 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