Examples of com.volantis.mcs.wbsax.WBSAXString

com.volantis.mcs.wbsax.WBSAXString
Represents a string in a WBSAX event stream.
{@link WBSAXString} is used to implement all the various types of strings present in WBSAX. It is used for:
- {@link GlobalToken#STR_I} attribute and content inline strings.
- {@link GlobalToken#STR_T} attribute and content string references.
- {@link GlobalToken#LITERAL} literal element and attribute names.
- {@link GlobalToken#EXT_I_0}, etc extension inline strings.
- {@link GlobalToken#EXT_T_0}, etc extension string references.
All instances of this class are created via an instance of {@link StringFactory}. Instances used for string references are created and accessed indirectly via their own {@link StringReferenceFactory}.
{@link WBSAXString} has three internal forms:
- byte [] - an array of bytes
- char [] - an array of characters
- String - a Java string
None of these forms is canonical. This class allows its clients to retrieve the contents of the string in the form that it requires. It will do any conversion necessary using the {@link Codec} previously defined for this WBSAX event stream.
Note that the byte[] form of the string includes a "null terminator" byte whilst the char[] and String versions do not. This is a convenience which is possible because WBSAX defines that all string data is null terminated. @todo it would be useful to have an interface for the getString and getBytes methods so that there are standard ways to get the content from the various WBSAX objects. For example, we could define a cost() method which took a BinaryContent interface which would work for both strings and multi byte integers. This is complified, however, by the fact that some binary content is available directly, and other (string) binary content may need to be translated from text content, which means you can get an exception. See the to do in CharEncoder for more details.

        AttributeStartCode hrefStartCode
             = attributeStartFactory.create("href", null);
        optimiser.addAttribute(hrefStartCode);
        
        // send url to optimiser
        optimiser.addAttributeValue(new WBSAXString(codec, 
            "http://www.my.com/page.jsp;jsessionid=123?parm=value#ref"));
        
        // Send a title event to optimiser
        AttributeStartCode titleStartCode
            = attributeStartFactory.create("title", null);
        optimiser.addAttribute(titleStartCode);
        
        // Send the value of the title to optimiser
        optimiser.addAttributeValue(new WBSAXString(codec, "my title"));


        // Send another href to optimiser 
        optimiser.addAttribute(hrefStartCode);
        
        // send url to optimiser
        optimiser.addAttributeValue(new WBSAXString(codec,
            "http://www.my.com/page2.jsp;jsessionid=123?parm=value#ref2"));
        
        // Get the events       
        Iterator events = contentHandler.getEvents();
        
        // Check startDocument
        assertEquals("Wrong versionCode", versionCode, 
                     (VersionCode)events.next());
        assertEquals("Wrong publicIdCode", publicIdCode, 
                     (PublicIdCode)events.next());
        assertEquals("Wrong codec", codec, (Codec)events.next());        


        // Skip past the StringTable created by the optimiser 
        assertTrue("StringTable should be next",
                   events.next() instanceof StringTable);
        
        // Check href
        AttributeStartCode aStartCode = (AttributeStartCode)events.next();
        assertEquals("Wrong AttributeStartCode integer", 0x4A, 
                     aStartCode.getInteger());
        assertEquals("Wrong AttributeStartCode name", "href",
                     aStartCode.getName());
        assertNull("Wrong AttributeStartCode value prefix",
                   aStartCode.getValuePrefix());
        
        // Check prefix
        assertEquals("Wrong url prefix",
                     new WBSAXString(codec, "http://www.my.com/page.jsp"),
                     (WBSAXString)events.next());
        
        // Check jsessionid
        StringReference stringReference1 = (StringReference)events.next();        
        assertEquals("Wrong url jsessionid",
                     new WBSAXString(codec, ";jsessionid=123"),
                     stringReference1.resolveString());
        
        // Check suffix
        assertEquals("Wrong url suffix",
                     new WBSAXString(codec, "?parm=value#ref"),
                     (WBSAXString)events.next());
        
        // Check title
        aStartCode = (AttributeStartCode)events.next();
        assertEquals("Wrong AttributeStartCode integer", 0x36,
                     aStartCode.getInteger());
        assertEquals("Wrong AttributeStartCode name", "title",
                     aStartCode.getName());
        assertNull("Wrong AttributeStartCode value prefix",
                   aStartCode.getValuePrefix());
        
        // Check title's value        
        assertEquals("Wrong title", 
                     new WBSAXString(codec, "my title"),
                     (WBSAXString)events.next());
        
        // Check href
        aStartCode = (AttributeStartCode)events.next();
        assertEquals("Wrong AttributeStartCode integer", 0x4A,
                     aStartCode.getInteger());
        assertEquals("Wrong AttributeStartCode name", "href",
                     aStartCode.getName());
        assertNull("Wrong AttributeStartCode value prefix",
                   aStartCode.getValuePrefix());
        
        // Check prefix
        assertEquals("Wrong url prefix",
                     new WBSAXString(codec, "http://www.my.com/page2.jsp"),
                     (WBSAXString)events.next());
        
        // Check jsessionid, can now check logical and physical refs to ensure
        // jsession id was added only once to string table
        StringReference stringReference2 = (StringReference)events.next();        
        assertEquals("Wrong logical ref", 
                     stringReference1.resolveLogicalIndex(),
                     stringReference2.resolveLogicalIndex());
        assertEquals("Wrong physical ref",
                     stringReference1.resolvePhysicalIndex(),
                     stringReference2.resolvePhysicalIndex());
        assertEquals("Wrong url jsessionid",
                     new WBSAXString(codec, ";jsessionid=123"),
                     stringReference2.resolveString());
        
        // Check suffix
        assertEquals("Wrong url suffix", 
                     new WBSAXString(codec, "?parm=value#ref2"),
                events.next());


        optimiser.endDocument();
    }

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        });
    }


    protected DissectableString createDissectableString(String string) 
            throws Exception {
        WBSAXString wbsaxString = strings.create(string);
        DissectableString dstring = new DissectableWBSAXString(wbsaxString);
        return dstring;
    }

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        super.tearDown();
    }


    protected DissectableString createDissectableString(String string) 
            throws Exception {
        WBSAXString wbsaxString = strings.create(string);
        DissectableWBSAXValueBuffer buffer = new DissectableWBSAXValueBuffer();
        buffer.append(wbsaxString);
        DissectableString dstring = new DissectableWBDOMCompositeString(buffer);
        return dstring;
    }

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                    logger.debug("Adding attribute value opaque: " +
                                 "using accesskey: " + accessKeyValue);
                }
                flushCache(false);
                AccesskeyOpaqueValue value = (AccesskeyOpaqueValue) part;
                value.setValue(new WBSAXString(codec,
                                               String.valueOf(accessKeyValue)));
                super.addAttributeValueOpaque(value);
            }
        } else {
            if (logger.isDebugEnabled()) {

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                if (logger.isDebugEnabled()) {
                    logger.debug("Adding content value opaque: " +
                                 "using accesskey: " + accessKeyValue);
                }
                String accessKeyPrefix = accessKeyValue + " ";
                value.setValue(new WBSAXString(codec, accessKeyPrefix));
                super.addContentValueOpaque(part);
            }
        } else {
            // We are not interested in this opaque value, just pass it thru
            if (logger.isDebugEnabled()) {

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                 = SessionIdentifierSearcherFactory.create();            
            SessionIdentifierURL splitURL
                 = searcher.getJSessionId(part.toString());
            
            // Add the part of the url before the jsessionid as an inline string
            WBSAXString prefix = strings.create(splitURL.getPrefix());
            handler.addAttributeValue(prefix);
            
            // If present, add jsessionid to the string table   
            if (splitURL.hasJsessionid()) {
                StringReference jsessionid
                     = references.createReference(splitURL.getJsessionid());
                handler.addAttributeValue(jsessionid);
            }
            
            // If present, add the part of the url after the jsessionid as an
            // inline string
            if (splitURL.hasSuffix())  {
                WBSAXString suffix = strings.create(splitURL.getSuffix());
                handler.addAttributeValue(suffix);                   
            }
            expectUrl = false;
        } else {
            handler.addAttributeValue(part);

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        SessionIdentifierURL splitURL
             = searcher.getJSessionId(dopaque.getString());
            
        StringFactory strings = inputReferences.getStringFactory();
        // Add the part of the url before the jsessionid as an inline string
        WBSAXString prefix = strings.create(splitURL.getPrefix());
        visitString(prefix);
            
        // If present, add jsessionid to the string table   
        if (splitURL.hasJsessionid()) {
            StringReference jsessionid
                 = inputReferences.getReference(splitURL.getJsessionid());
            visitReference(jsessionid);
        }
            
        // If present, add the part of the url after the jsessionid as an
        // inline string
        if (splitURL.hasSuffix())  {
            WBSAXString suffix = strings.create(splitURL.getSuffix());
            visitString(suffix);                   
        }
    }

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        SessionIdentifierURL splitURL
             = searcher.getJSessionId(dopaque.getString());
            
        // Add the part of the url before the jsessionid as an inline string
        StringFactory strings = outputReferences.getStringFactory();
        WBSAXString prefix = strings.create(splitURL.getPrefix());
        visitString(prefix);
            
        // If present, add jsessionid to the string table   
        if (splitURL.hasJsessionid()) {
            StringReference jsessionid
                 = outputReferences.createReference(splitURL.getJsessionid());
            visitReference(jsessionid);
        }
            
        // If present, add the part of the url after the jsessionid as an
        // inline string
        if (splitURL.hasSuffix())  {
            WBSAXString suffix = strings.create(splitURL.getSuffix());
            visitString(suffix);                   
        }
    }

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                    throws WBSAXException {
                if (startIndex > 0 || endIndex < childLength) {
                    // serialise substring
                    String substring = string.getString().substring(
                            startIndex, endIndex);
                    WBSAXString saxSubString = strings.create(substring);
                    elementValueSerialiser.visitString(saxSubString);
                } else {
                    // serialise entire string
                    elementValueSerialiser.visitString(string);
                }

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