public class ReferenceCountedJar extends Object implements Jar
Constructor and Description |
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ReferenceCountedJar(URL url) |
Modifier and Type | Method and Description |
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void |
close()
Close any resources associated with this JAR.
|
boolean |
exists(String name)
Determine if the given resource in present in the JAR.
|
InputStream |
getEntryInputStream()
Obtains the input stream for the current entry.
|
String |
getEntryName()
Obtains the name of the current entry.
|
InputStream |
getInputStream(String name)
Obtain an
InputStream for a given entry in a JAR. |
URL |
getJarFileURL() |
long |
getLastModified(String name)
Obtain the last modified time for the given resource in the JAR.
|
Manifest |
getManifest()
Obtain the manifest for the JAR file.
|
String |
getURL(String entry)
Obtain, in String form, the URL for an entry in this JAR.
|
void |
nextEntry()
Moves the internal pointer to the next entry in the JAR.
|
void |
reset()
Resets the internal pointer used to track JAR entries to the beginning of
the JAR.
|
public ReferenceCountedJar(URL url) throws IOException
IOException
public void close()
Jar
close
in interface AutoCloseable
close
in interface Jar
public URL getJarFileURL()
getJarFileURL
in interface Jar
public InputStream getInputStream(String name) throws IOException
Jar
InputStream
for a given entry in a JAR. The caller is
responsible for closing the stream.getInputStream
in interface Jar
name
- Entry to obtain an InputStream
forInputStream
for the specified entry or null if
the entry does not existIOException
- if an I/O error occurs while processing the JAR filepublic long getLastModified(String name) throws IOException
Jar
getLastModified
in interface Jar
name
- Entry to obtain the modification time forSystem.currentTimeMillis()
that the resource was last
modified. Returns -1 if the entry does not existIOException
- if an I/O error occurs while processing the JAR filepublic boolean exists(String name) throws IOException
Jar
exists
in interface Jar
name
- Entry to look fortrue
if the entry is present in the JAR, otherwise
false
IOException
- if an I/O error occurs while processing the JAR filepublic void nextEntry()
Jar
public String getEntryName()
Jar
getEntryName
in interface Jar
public InputStream getEntryInputStream() throws IOException
Jar
getEntryInputStream
in interface Jar
IOException
- If the stream cannot be obtainedpublic String getURL(String entry)
Jar
JarFactory
to ensure resources are
accessed correctly.public Manifest getManifest() throws IOException
Jar
getManifest
in interface Jar
IOException
- If an I/O error occurs trying to obtain the manifestpublic void reset() throws IOException
Jar
reset
in interface Jar
IOException
- If the pointer cannot be resetCopyright © 2000-2020 Apache Software Foundation. All Rights Reserved.