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2003-12-20 Michael Koch <konqueror@gmx.de>

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* gnu/java/net/protocol/jar/Connection.java
	(connectionCache): New field.
	(connect): New method.
	(getInputStream): New method.
	(hdrHash): New field.
	(hdrVec): New field.
	(gotHeaders): New field.
	(getHeaderField): New method.
	(getHeaderFields): New method.
	(getHeaderFieldKey): New method.
	(getKey): New method.
	(getField): New method.
	(getHeaders): New method.
	* java/net/JarURLConnection.java
	(connectionCache): Removed.
	(connect): Removed.
	(getInputStream): Removed.
	(hdrHash): Removed.
	(hdrVec): Removed.
	(gotHeaders): Removed.
	(getHeaderField): Removed.
	(getHeaderFields): Removed.
	(getHeaderFieldKey): Removed.
	(getKey): Removed.
	(getField): Removed.
	(getHeaders): Removed.

From-SVN: r74895
This commit is contained in:
Michael Koch 2003-12-20 22:54:26 +00:00 committed by Michael Koch
parent 70d26e8152
commit 4e24f93733
3 changed files with 258 additions and 228 deletions
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29
libjava/ChangeLog
View File

@ -1,3 +1,32 @@
2003-12-20 Michael Koch <konqueror@gmx.de>
* gnu/java/net/protocol/jar/Connection.java
(connectionCache): New field.
(connect): New method.
(getInputStream): New method.
(hdrHash): New field.
(hdrVec): New field.
(gotHeaders): New field.
(getHeaderField): New method.
(getHeaderFields): New method.
(getHeaderFieldKey): New method.
(getKey): New method.
(getField): New method.
(getHeaders): New method.
* java/net/JarURLConnection.java
(connectionCache): Removed.
(connect): Removed.
(getInputStream): Removed.
(hdrHash): Removed.
(hdrVec): Removed.
(gotHeaders): Removed.
(getHeaderField): Removed.
(getHeaderFields): Removed.
(getHeaderFieldKey): Removed.
(getKey): Removed.
(getField): Removed.
(getHeaders): Removed.
2003-12-20 Michael Koch <konqueror@gmx.de>
* java/io/ObjectStreamField.java (isUnshared): Added documentation.

229
libjava/gnu/java/net/protocol/jar/Connection.java
View File

@ -38,6 +38,8 @@ exception statement from your version. */
package gnu.java.net.protocol.jar;
import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
@ -47,9 +49,15 @@ import java.net.MalformedURLException;
import java.net.ProtocolException;
import java.net.URL;
import java.net.URLConnection;
import java.util.Map;
import java.util.Vector;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.jar.JarFile;
import java.util.jar.JarEntry;
import java.util.jar.JarInputStream;
import java.util.zip.ZipFile;
import java.util.zip.ZipEntry;
/**
* This subclass of java.net.JarURLConnection models a URLConnection via
@ -62,12 +70,109 @@ public final class Connection extends JarURLConnection
private static Hashtable file_cache = new Hashtable();
private JarFile jar_file;
/**
* Cached JarURLConnection objects .
*/
static HashMap connectionCache = new HashMap();
protected Connection(URL url)
throws MalformedURLException
{
super(url);
}
public synchronized void connect() throws IOException
{
// Call is ignored if already connected.
if (connected)
return;
if (getUseCaches())
{
jarFileURLConnection =
(URLConnection) connectionCache.get(getJarFileURL());
if (jarFileURLConnection == null)
{
jarFileURLConnection = getJarFileURL().openConnection();
jarFileURLConnection.setUseCaches(true);
jarFileURLConnection.connect();
connectionCache.put(getJarFileURL(), jarFileURLConnection);
}
}
else
{
jarFileURLConnection = getJarFileURL().openConnection();
jarFileURLConnection.connect();
}
connected = true;
}
public InputStream getInputStream() throws IOException
{
if (!connected)
connect();
if (! doInput)
throw new ProtocolException("Can't open InputStream if doInput is false");
if (getEntryName() == null)
{
// This is a JarURLConnection for the entire jar file.
InputStream in = new BufferedInputStream
(jarFileURLConnection.getInputStream());
return new JarInputStream(in);
}
// Reaching this point, we're looking for an entry of a jar file.
JarFile jarfile = null;
try
{
jarfile = getJarFile ();
}
catch (IOException x)
{
/* ignore */
}
if (jarfile != null)
{
// this is the easy way...
ZipEntry entry = jarfile.getEntry(getEntryName());
if (entry != null)
return jarfile.getInputStream (entry);
else
return null;
}
else
{
// If the jar file is not local, ...
JarInputStream zis = new JarInputStream(
jarFileURLConnection.getInputStream ());
// This is hideous, we're doing a linear search...
for (ZipEntry entry = zis.getNextEntry();
entry != null;
entry = zis.getNextEntry())
{
if (getEntryName().equals(entry.getName()))
{
int size = (int) entry.getSize();
byte[] data = new byte[size];
zis.read (data, 0, size);
return new ByteArrayInputStream (data);
}
}
}
return null;
}
public synchronized JarFile getJarFile() throws IOException
{
if (!connected)
@ -116,4 +221,128 @@ public final class Connection extends JarURLConnection
return jar_file;
}
// Steal and borrow from protocol/file/Connection.java
private Hashtable hdrHash = new Hashtable();
private Vector hdrVec = new Vector();
private boolean gotHeaders = false;
// Override default method in URLConnection.
public String getHeaderField(String name)
{
try
{
getHeaders();
}
catch (IOException x)
{
return null;
}
return (String) hdrHash.get(name.toLowerCase());
}
// Override default method in URLConnection.
public Map getHeaderFields()
{
try
{
getHeaders();
}
catch (IOException x)
{
return null;
}
return hdrHash;
}
// Override default method in URLConnection.
public String getHeaderField(int n)
{
try
{
getHeaders();
}
catch (IOException x)
{
return null;
}
if (n < hdrVec.size())
return getField((String) hdrVec.elementAt(n));
return null;
}
// Override default method in URLConnection.
public String getHeaderFieldKey(int n)
{
try
{
getHeaders();
}
catch (IOException x)
{
return null;
}
if (n < hdrVec.size())
return getKey((String) hdrVec.elementAt(n));
return null;
}
private String getKey(String str)
{
if (str == null)
return null;
int index = str.indexOf(':');
if (index >= 0)
return str.substring(0, index);
else
return null;
}
private String getField(String str)
{
if (str == null)
return null;
int index = str.indexOf(':');
if (index >= 0)
return str.substring(index + 1).trim();
else
return str;
}
private void getHeaders() throws IOException
{
if (gotHeaders)
return;
gotHeaders = true;
connect();
// Yes, it is overkill to use the hash table and vector here since
// we're only putting one header in the file, but in case we need
// to add others later and for consistency, we'll implement it this way.
// Add the only header we know about right now: Content-length.
long len = -1;
if (getEntryName() == null)
if (jarFileURLConnection != null)
len = jarFileURLConnection.getContentLength ();
else
{
JarEntry entry = getJarEntry();
if (entry != null)
len = entry.getSize ();
}
String line = "Content-length: " + len;
hdrVec.addElement(line);
// The key will never be null in this scenario since we build up the
// headers ourselves. If we ever rely on getting a header from somewhere
// else, then we may have to check if the result of getKey() is null.
String key = getKey(line);
hdrHash.put(key.toLowerCase(), Long.toString(len));
}
}

228
libjava/java/net/JarURLConnection.java
View File

@ -38,9 +38,6 @@ exception statement from your version. */
package java.net;
import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.IOException;
import java.util.jar.Attributes;
import java.util.jar.JarEntry;
@ -48,10 +45,6 @@ import java.util.jar.JarFile;
import java.util.jar.JarInputStream;
import java.util.jar.Manifest;
import java.util.zip.ZipEntry;
import java.util.Map;
import java.util.Vector;
import java.util.HashMap;
import java.util.Hashtable;
import java.security.cert.Certificate;
/**
@ -100,11 +93,6 @@ public abstract class JarURLConnection extends URLConnection
*/
private final String entryName;
/**
* Cached JarURLConnection objects .
*/
static HashMap connectionCache = new HashMap();
/**
* Creates a JarURLConnection from an URL object
*
@ -157,97 +145,6 @@ public abstract class JarURLConnection extends URLConnection
return entryName;
}
public synchronized void connect() throws IOException
{
// Call is ignored if already connected.
if (connected)
return;
if (getUseCaches())
{
jarFileURLConnection = (URLConnection) connectionCache.get (jarFileURL);
if (jarFileURLConnection == null)
{
jarFileURLConnection = jarFileURL.openConnection ();
jarFileURLConnection.setUseCaches (true);
jarFileURLConnection.connect ();
connectionCache.put (jarFileURL, jarFileURLConnection);
}
}
else
{
jarFileURLConnection = jarFileURL.openConnection ();
jarFileURLConnection.connect ();
}
connected = true;
}
public InputStream getInputStream() throws IOException
{
if (!connected)
connect();
if (! doInput)
throw new ProtocolException("Can't open InputStream if doInput is false");
if (entryName == null)
{
// This is a JarURLConnection for the entire jar file.
InputStream jar_is = new BufferedInputStream(
jarFileURLConnection.getInputStream ());
return new JarInputStream(jar_is);
}
// Reaching this point, we're looking for an entry of a jar file.
JarFile jarfile = null;
try
{
jarfile = getJarFile ();
}
catch (IOException x)
{
/* ignore */
}
if (jarfile != null)
{
// this is the easy way...
ZipEntry entry = jarfile.getEntry (entryName);
if (entry != null)
return jarfile.getInputStream (entry);
else
return null;
}
else
{
// If the jar file is not local, ...
JarInputStream zis = new JarInputStream(
jarFileURLConnection.getInputStream ());
// This is hideous, we're doing a linear search...
for (ZipEntry ent = zis.getNextEntry ();
ent != null;
ent = zis.getNextEntry ())
{
if (entryName.equals (ent.getName()))
{
int size = (int)ent.getSize();
byte[] data = new byte[size];
zis.read (data, 0, size);
return new ByteArrayInputStream (data);
}
}
}
return null;
}
/**
* Returns the entry in this jar file specified by the URL.
*
@ -308,131 +205,6 @@ public abstract class JarURLConnection extends URLConnection
*/
public abstract JarFile getJarFile () throws IOException;
// Steal and borrow from protocol/file/Connection.java
private Hashtable hdrHash = new Hashtable();
private Vector hdrVec = new Vector();
private boolean gotHeaders = false;
// Override default method in URLConnection.
public String getHeaderField(String name)
{
try
{
getHeaders();
}
catch (IOException x)
{
return null;
}
return (String) hdrHash.get(name.toLowerCase());
}
// Override default method in URLConnection.
public Map getHeaderFields()
{
try
{
getHeaders();
}
catch (IOException x)
{
return null;
}
return hdrHash;
}
// Override default method in URLConnection.
public String getHeaderField(int n)
{
try
{
getHeaders();
}
catch (IOException x)
{
return null;
}
if (n < hdrVec.size())
return getField((String) hdrVec.elementAt(n));
return null;
}
// Override default method in URLConnection.
public String getHeaderFieldKey(int n)
{
try
{
getHeaders();
}
catch (IOException x)
{
return null;
}
if (n < hdrVec.size())
return getKey((String) hdrVec.elementAt(n));
return null;
}
private String getKey(String str)
{
if (str == null)
return null;
int index = str.indexOf(':');
if (index >= 0)
return str.substring(0, index);
else
return null;
}
private String getField(String str)
{
if (str == null)
return null;
int index = str.indexOf(':');
if (index >= 0)
return str.substring(index + 1).trim();
else
return str;
}
private void getHeaders() throws IOException
{
if (gotHeaders)
return;
gotHeaders = true;
connect();
// Yes, it is overkill to use the hash table and vector here since
// we're only putting one header in the file, but in case we need
// to add others later and for consistency, we'll implement it this way.
// Add the only header we know about right now: Content-length.
long len = -1;
if (entryName == null)
if (jarFileURLConnection != null)
len = jarFileURLConnection.getContentLength ();
else
{
JarEntry entry = getJarEntry();
if (entry != null)
len = entry.getSize ();
}
String line = "Content-length: " + len;
hdrVec.addElement(line);
// The key will never be null in this scenario since we build up the
// headers ourselves. If we ever rely on getting a header from somewhere
// else, then we may have to check if the result of getKey() is null.
String key = getKey(line);
hdrHash.put(key.toLowerCase(), Long.toString(len));
}
/**
* Returns an array of Certificate objects for the jar file entry specified
* by this URL or null if there are none