com.springsource.util.io
Class JarTransformer
java.lang.Object
com.springsource.util.io.JarTransformer
public final class JarTransformer
- extends java.lang.Object
Utility class for transforming the entries in a JAR file.
Entries cannot be added or removed only changed. Actual transformation of entries is performed by an implementation
of the JarTransformer.JarTransformerCallback
interface.
Method Summary |
private void |
copy(java.io.InputStream inputStream,
java.io.OutputStream outputStream)
|
private java.io.InputStream |
getDefaultManifestStream()
|
void |
transform(java.io.InputStream is,
java.io.OutputStream stream)
Transforms the JAR content in is and writes the results to os . |
void |
transform(java.io.InputStream is,
java.io.OutputStream stream,
boolean ensureManifestIsPresent)
Transforms the JAR content in is and writes the results to os . |
private void |
transformEntry(java.io.InputStream inputStream,
java.util.zip.ZipEntry entry,
java.io.OutputStream os)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
MANIFEST_VERSION_HEADER
private static final java.lang.String MANIFEST_VERSION_HEADER
- See Also:
- Constant Field Values
callback
private final JarTransformer.JarTransformerCallback callback
JarTransformer
public JarTransformer(JarTransformer.JarTransformerCallback callback)
- Creates a new
JarTransformer
that uses the supplied JarTransformer.JarTransformerCallback
for
transformation.
- Parameters:
callback
- the JarTransformerCallback
to use for entry transformation.
transform
public void transform(java.io.InputStream is,
java.io.OutputStream stream)
throws java.io.IOException
- Transforms the JAR content in
is
and writes the results to os
.
- Parameters:
is
- the JAR to transform.stream
- the OutputStream
to write the transformed JAR to.
- Throws:
java.io.IOException
- if the JAR cannot be transformed.
transform
public void transform(java.io.InputStream is,
java.io.OutputStream stream,
boolean ensureManifestIsPresent)
throws java.io.IOException
- Transforms the JAR content in
is
and writes the results to os
.
- Parameters:
is
- the JAR to transform.stream
- the OutputStream
to write the transformed JAR to.ensureManifestIsPresent
- if true
ensures that the transformed JAR contains a manifest.
- Throws:
java.io.IOException
- if the JAR cannot be transformed.
getDefaultManifestStream
private java.io.InputStream getDefaultManifestStream()
transformEntry
private void transformEntry(java.io.InputStream inputStream,
java.util.zip.ZipEntry entry,
java.io.OutputStream os)
throws java.io.IOException
- Throws:
java.io.IOException
copy
private void copy(java.io.InputStream inputStream,
java.io.OutputStream outputStream)
throws java.io.IOException
- Throws:
java.io.IOException