com.alipay.sofa.ark.tools

Class JarWriter

java.lang.Object

com.alipay.sofa.ark.tools.JarWriter

All Implemented Interfaces:

LoaderClassesWriter

public class JarWriter
extends Object
implements LoaderClassesWriter

Writes JAR content, ensuring valid directory entries are always create and duplicate

Author:

Phillip Webb, Andy Wilkinson

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	JarWriter.EntryTransformer An EntryTransformer enables the transformation of jar entries during the writing process.
static class	JarWriter.IdentityEntryTransformer An EntryTransformer that returns the entry unchanged.

Constructor Summary

Constructors

Constructor and Description
JarWriter(File file) Create a new JarWriter instance.

Method Summary

Modifier and Type	Method and Description
void	close() Close the writer.
void	writeBootstrapEntry(JarFile arkContainerJar)
void	writeEntries(JarFile jarFile) Write all entries from the specified jar file.
void	writeEntries(JarFile jarFile, JarWriter.EntryTransformer entryTransformer)
void	writeEntry(String entryName, InputStream inputStream) Writes an entry.
void	writeLoaderClasses(JarInputStream jarInputStream) Write custom required SOFA-ark-loader classes to the JAR.
void	writeManifest(Manifest manifest) Write the specified manifest.
void	writeMarkEntry()
void	writeNestedLibrary(String destination, Library library) Write a nested library.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JarWriter

public JarWriter(File file)
          throws IOException

Create a new JarWriter instance.

Parameters:

file - the file to write

Throws:

IOException - if the file cannot be opened

FileNotFoundException - if the file cannot be found

Method Detail

writeManifest

public void writeManifest(Manifest manifest)
                   throws IOException

Write the specified manifest.

Parameters:

manifest - the manifest to write

Throws:

IOException - of the manifest cannot be written

writeMarkEntry

public void writeMarkEntry()
                    throws IOException

Throws:

IOException

writeEntries

public void writeEntries(JarFile jarFile)
                  throws IOException

Write all entries from the specified jar file.

Parameters:

jarFile - the source jar file

Throws:

IOException - if the entries cannot be written

writeBootstrapEntry

public void writeBootstrapEntry(JarFile arkContainerJar)
                         throws IOException

Throws:

IOException

writeEntries

public void writeEntries(JarFile jarFile,
                         JarWriter.EntryTransformer entryTransformer)
                  throws IOException

Throws:

IOException

writeEntry

public void writeEntry(String entryName,
                       InputStream inputStream)
                throws IOException

Writes an entry. The inputStream is closed once the entry has been written

Specified by:

writeEntry in interface LoaderClassesWriter

Parameters:

entryName - The name of the entry

inputStream - The stream from which the entry's data can be read

Throws:

IOException - if the write fails

writeNestedLibrary

public void writeNestedLibrary(String destination,
                               Library library)
                        throws IOException

Write a nested library.

Parameters:

destination - the destination of the library

library - the library

Throws:

IOException - if the write fails

writeLoaderClasses

public void writeLoaderClasses(JarInputStream jarInputStream)
                        throws IOException

Description copied from interface: LoaderClassesWriter

Write custom required SOFA-ark-loader classes to the JAR.

Specified by:

writeLoaderClasses in interface LoaderClassesWriter

Parameters:

jarInputStream - the inputStream of the resource containing the loader classes to be written

Throws:

IOException

close

public void close()
           throws IOException

Close the writer.

Throws:

IOException - if the file cannot be closed