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jdk.internal.loader

public abstract Class Resource

Class Inheritance

extends Object

java.lang.Object
jdk.internal.loader.Resource

Imports

java.io.EOFException, .IOException, .InputStream, java.net.URL, java.security.CodeSigner, java.util.jar.Manifest, java.nio.ByteBuffer, java.util.Arrays

This class is used to represent a Resource that has been loaded from the class path.

Author: David Connelly
Since: 1.2

Field Summary

Modifier and Type	Field and Description
private InputStream	cis

Constructor Summary

Access	Constructor and Description
public	Resource()

Method Summary

Modifier and Type	Method and Description
private synchronized InputStream	cachedInputStream()
public ByteBuffer	Returns: Resource data or null. getByteBuffer() Returns the Resource data as a ByteBuffer, but only if the input stream was implemented on top of a ByteBuffer.
public byte[]	getBytes() Returns the Resource data as an array of bytes.
public Certificate[]	getCertificates() Returns theCertificates for the Resource, or null if none.
public CodeSigner[]	getCodeSigners() Returns the code signers for the Resource, or null if none.
public abstract URL	getCodeSourceURL() Returns the CodeSource URL for the Resource.
public abstract int	getContentLength() Returns the length of the Resource data, or -1 if unknown.
public Exception	getDataError() Returns non-fatal reading error during data retrieval if there's any.
public abstract InputStream	getInputStream() Returns an InputStream for reading the Resource data.
public Manifest	getManifest() Returns the Manifest for the Resource, or null if none.
public abstract String	getName() Returns the name of the Resource.
public abstract URL	getURL() Returns the URL of the Resource.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

cis	back to summary
private InputStream cis

Constructor Detail

Resource	back to summary
public Resource()

Method Detail

cachedInputStream	back to summary
private synchronized InputStream cachedInputStream() throws IOException

getByteBuffer back to summary

public ByteBuffer getByteBuffer() throws IOException

Returns the Resource data as a ByteBuffer, but only if the input stream was implemented on top of a ByteBuffer. Return null otherwise.

Returns:ByteBuffer: Resource data or null.

getBytes	back to summary
public byte[] getBytes() throws IOException Returns the Resource data as an array of bytes.

getCertificates	back to summary
public Certificate[] getCertificates() Returns theCertificates for the Resource, or null if none.

getCodeSigners	back to summary
public CodeSigner[] getCodeSigners() Returns the code signers for the Resource, or null if none.

getCodeSourceURL	back to summary
public abstract URL getCodeSourceURL() Returns the CodeSource URL for the Resource.

getContentLength	back to summary
public abstract int getContentLength() throws IOException Returns the length of the Resource data, or -1 if unknown.

getDataError	back to summary
public Exception getDataError() Returns non-fatal reading error during data retrieval if there's any. For example, CRC error when reading a JAR entry.

getInputStream	back to summary
public abstract InputStream getInputStream() throws IOException Returns an InputStream for reading the Resource data.

getManifest	back to summary
public Manifest getManifest() throws IOException Returns the Manifest for the Resource, or null if none.

getName	back to summary
public abstract String getName() Returns the name of the Resource.

getURL	back to summary
public abstract URL getURL() Returns the URL of the Resource.