org.jacoco.report
Class InputStreamSourceFileLocator

java.lang.Object
  extended by org.jacoco.report.InputStreamSourceFileLocator
All Implemented Interfaces:
ISourceFileLocator
Direct Known Subclasses:
DirectorySourceFileLocator

public abstract class InputStreamSourceFileLocator
extends Object
implements ISourceFileLocator

Abstract base class for ISourceFileLocator locator implementations based on InputStreams. It handles the encoding and tab width.


Constructor Summary
protected InputStreamSourceFileLocator(String encoding, int tabWidth)
          Creates a new locator with the given specification.
 
Method Summary
 Reader getSourceFile(String packageName, String fileName)
          Tries to locate the given source file and opens a reader with the appropriate encoding.
protected abstract  InputStream getSourceStream(String path)
          Tries to locate the given source file and opens its binary content.
 int getTabWidth()
          Returns number of blank characters that represent a tab in source code.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

InputStreamSourceFileLocator

protected InputStreamSourceFileLocator(String encoding,
                                       int tabWidth)
Creates a new locator with the given specification.

Parameters:
encoding - encoding of the source files, null for platform default encoding
tabWidth - tab width in source files as number of blanks
Method Detail

getSourceFile

public Reader getSourceFile(String packageName,
                            String fileName)
                     throws IOException
Description copied from interface: ISourceFileLocator
Tries to locate the given source file and opens a reader with the appropriate encoding.

Specified by:
getSourceFile in interface ISourceFileLocator
Parameters:
packageName - VM name of the package
fileName - name of the source file
Returns:
reader if the file could be located, null otherwise
Throws:
IOException - in case of problems while opening the file

getTabWidth

public int getTabWidth()
Description copied from interface: ISourceFileLocator
Returns number of blank characters that represent a tab in source code.

Specified by:
getTabWidth in interface ISourceFileLocator
Returns:
tab width as number of blanks

getSourceStream

protected abstract InputStream getSourceStream(String path)
                                        throws IOException
Tries to locate the given source file and opens its binary content.

Parameters:
path - local path to the resource
Returns:
stream if the file could be located, null otherwise
Throws:
IOException - in case of problems while opening the stream


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