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Diffstat (limited to 'libjava/gnu/gcj/protocol/file/Connection.java')
-rw-r--r-- | libjava/gnu/gcj/protocol/file/Connection.java | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/libjava/gnu/gcj/protocol/file/Connection.java b/libjava/gnu/gcj/protocol/file/Connection.java deleted file mode 100644 index b7804cbea0c..00000000000 --- a/libjava/gnu/gcj/protocol/file/Connection.java +++ /dev/null @@ -1,169 +0,0 @@ -// Connection.java - Implementation of URLConnection for file protocol. - -/* Copyright (C) 1999 Free Software Foundation - - This file is part of libgcj. - -This software is copyrighted work licensed under the terms of the -Libgcj License. Please consult the file "LIBGCJ_LICENSE" for -details. */ - -package gnu.gcj.protocol.file; - -import java.net.*; -import java.io.*; -import java.util.Vector; -import java.util.Hashtable; -import java.util.Enumeration; - -/** - * @author Warren Levy <warrenl@cygnus.com> - * @date April 13, 1999. - */ - -/** - * Written using on-line Java Platform 1.2 API Specification, as well - * as "The Java Class Libraries", 2nd edition (Addison-Wesley, 1998). - * Status: Minimal subset of functionality. - */ - -class Connection extends URLConnection -{ - private Hashtable hdrHash = new Hashtable(); - private Vector hdrVec = new Vector(); - private boolean gotHeaders = false; - private File fileIn; - - public Connection(URL url) - { - super(url); - } - - // Implementation of abstract method. - public void connect() throws IOException - { - // Call is ignored if already connected. - if (connected) - return; - - // If not connected, then file needs to be openned. - fileIn = new File(url.getFile()); - connected = true; - } - - public InputStream getInputStream() throws IOException - { - if (!connected) - connect(); - - if (! doInput) - throw new ProtocolException("Can't open InputStream if doInput is false"); - return new BufferedInputStream(new FileInputStream(fileIn)); - } - - // Override default method in URLConnection. - public OutputStream getOutputStream() throws IOException - { - if (!connected) - connect(); - - if (! doOutput) - throw new - ProtocolException("Can't open OutputStream if doOutput is false"); - return new BufferedOutputStream(new FileOutputStream(fileIn)); - } - - // 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 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 = fileIn.length(); - 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)); - } -} |