?? wapcodepage.java
字號:
return; } hdrs.write(Encoding.encodeHeader(wk, Encoding.textString(value.trim()))); } public void encodeMaxForwards(OutputStream hdrs, short wk, String value) throws IOException { if (value == null) { return; } hdrs.write(Encoding.encodeHeader(wk, Encoding.integerValue(Long.parseLong(value)))); } public void encodeReferer(OutputStream hdrs, short wk, String value) throws IOException { if (value == null) { return; } hdrs.write(Encoding.encodeHeader(wk, Encoding.uriValue(value.trim()))); } public void encodeUserAgent(OutputStream hdrs, short wk, String value) throws IOException { if (value == null) { return; } hdrs.write(Encoding.encodeHeader(wk, Encoding.textString(value.trim()))); } public Header decode(byte[] data) throws HeaderParseException, IOException { WSPDecoder d = new WSPDecoder(data); int c1 = d.getUint8(); String key = null; String val = null; if ((c1 & 0x80) != 0) { c1 = c1 & 0x7f; key = transTable.code2str(c1); if(log.isDebugEnabled()) { log.debug("code2str(0x"+Integer.toHexString(c1)+")="+key); } byte[] fieldValue = d.getBytes(data.length - 1); if(key == null ) { key="0x"+Integer.toHexString(c1); log.warn(key+": unknown header"); } else { try { val = decodeHeaderField(key, fieldValue); } catch( NoSuchMethodException nsme ) { log.warn("'"+key+"': Header decoding not yet implemented :-("); } catch (Exception e) { log.warn("Unable to decode header " + key, e); } } } else { d.seek(-1); key = d.getCString(); val = d.getCString(); } return new Header(key, val); } public String decodeAcceptLanguage(byte[] data) throws IOException { WSPDecoder d = new WSPDecoder(data); String retval = null; int c1 = d.getUint8(); if (c1 > 31) { // Constrained encoding if ((c1 & 0x80) != 0) { // Short integer c1 = c1 & 0x7f; retval = TransTable.getTable(TT_LNG).code2str(c1); } else { d.seek(-1); retval = d.getCString(); } } else { // General form } return retval; } public String decodeDate(byte[] data) { WSPDecoder d = new WSPDecoder(data); Date dt = d.getDateValue(); return fmt.format(dt); } public String decodeServer(byte[] data) { WSPDecoder d = new WSPDecoder(data); return d.getTextString(); } public String decodeContentId(byte[] data) { WSPDecoder d = new WSPDecoder(data); // remove quote d.seek(1); return d.getCString(); } public String decodeContentDisposition(byte[] data) { StringBuffer sb = new StringBuffer(); WSPDecoder d = new WSPDecoder(data); long l = d.getValueLength(); int o = d.getUint8(); switch(o) { case 128: sb.append("Form-Data"); break; case 129: sb.append("Attachment"); break; case 130: sb.append("Inline"); break; default: d.seek(-1); sb.append(d.getTextString()); break; } // TODO Parse parameters... byte[] parms = d.getBytes(d.getRemainingOctets()); return sb.toString(); } public String decodeContentLength(byte[] data) { WSPDecoder d = new WSPDecoder(data); return Long.toString(d.getIntegerValue()); } public String decodeContentLocation(byte[] data) { WSPDecoder d = new WSPDecoder(data); return d.getCString(); } public String decodeContentType(byte[] data) { String retval = null; WSPDecoder d = new WSPDecoder(data); int o = d.getUint8(); if( o <= 31 ) { // General Form d.seek(-1); long len = d.getValueLength(); if( len == 0 ) { return ""; } o = d.getUint8(); if( (o & 0x80) != 0 ) { // Short-Integer short wk = (short) (o&0x7f); retval = TransTable.getTable(TT_CTYPES).code2str(wk); } else if( o <= 30 ) { // long-integer d.seek(-1); int wk = (int) d.getLongInteger(); retval = TransTable.getTable(TT_CTYPES).code2str(wk); } else { // *TEXT EOF d.seek(-1); retval = d.getTextString(); } byte[] params = d.getBytes(d.getRemainingOctets()); if( params.length > 0 ) { WSPDecoder param = new WSPDecoder(params); StringBuffer buf = new StringBuffer(); buf.append(retval); while( !param.isEOF() ) { String code = null; try { int c = (int) param.getIntegerValue(); TransTable wkp = TransTable.getTable(TT_WKPARMS); code = wkp.code2str((int)c); String val= null; switch(c){ case 0x01: // charset int charset = param.getUint8(); if( (charset & 0x80) != 0 ) { // Short integer charset = charset & 0x7f; // Lookup charset val = TransTable.getTable(TT_CHARSETS).code2str(charset); } break; case 0x05: // name version 1.1 case 0x06: // fileName version 1.1 case 0x07: // name version 1.4 case 0x08: // fileName version 1.4 case 0x09: // type case 0x0A: // start case 0x0B: // start info case 0x0C: // comment case 0x0D: // domain case 0x0F: // path case 0x12: // MAC val = param.getCString(); break; } if( val!=null ) { buf.append("; ").append(code).append("=").append(val); } } catch (Exception e){ log.info("decodeContentType: parameter decoding failed, ignoring parameter "+code,e); } } retval = buf.toString(); } } else { // Constrained encoding if( (o & 0x80) != 0 ) { // Short integer short wk = (short) (o&0x7f); retval = TransTable.getTable(TT_CTYPES).code2str(wk); } else { // *Text EOF d.seek(-1); retval = d.getTextString(); } } return retval; } public String decodeConnection(byte[] data) { WSPDecoder d = new WSPDecoder(data); int o = d.getUint8(); if( o == 128 ) { return "CLOSE"; } d.seek(-1); return d.getCString(); } public String decodeVia(byte[] data) { WSPDecoder d = new WSPDecoder(data); return d.getTextString(); } public String decodeWarning(byte[] data) { WSPDecoder d = new WSPDecoder(data); int o = d.getUint8(), code=0; String agent = null, txt = null; if( (o & 0x80) != 0 ) { // Warn-Code code = o & 0x7f; } else { d.getValueLength(); code = d.getShortInteger(); agent = d.getTextString(); txt = d.getTextString(); } String cTxt = null; switch( code ) { case 10: cTxt = "110 Response is stale"; break; case 11: cTxt = "111 Revalidation failed"; break; case 12: cTxt = "112 Disconnected operation"; break; case 13: cTxt = "113 Heuristic expiration"; break; case 99: cTxt = "199 Miscellaneous (persistent) warning"; break; case 14: cTxt = "214 Transformation applied"; break; default: cTxt = Integer.toString(code); } StringBuffer sb = new StringBuffer(cTxt); if( agent != null ) { sb.append("; agent=\"").append(agent).append('"'); } if( txt != null ) { sb.append("; text=").append(txt); } return sb.toString(); } public String decodeExpires(byte[] data) { WSPDecoder d = new WSPDecoder(data); Date dt = d.getDateValue(); return fmt.format(dt); } public String decodeCacheControl(byte[] data) { WSPDecoder d = new WSPDecoder(data); String ret = null; int o = d.getUint8(); if( o <= 31 ) { // value-length cache-directive log.warn("decoding cache-control (value-length cache-directive) not yet implemented"); } else if( (o & 0x80) != 0 ) { ret = TransTable.getTable(TT_CCONTROL).code2str(o); } else { // Token-Text ret = d.getCString(); } return ret; } public String decodeLocation(byte[] data) { WSPDecoder d = new WSPDecoder(data); return d.getTextString(); }}?? 快捷鍵說明
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