Java XMLStringBuffer类代码示例

import com.sun.org.apache.xerces.internal.util.XMLStringBuffer; //导入依赖的package包/类
/**
 * Scans a processing instruction.
 * <p>
 * <pre>
 * [16] PI ::= '&lt;?' PITarget (S (Char* - (Char* '?>' Char*)))? '?>'
 * [17] PITarget ::= Name - (('X' | 'x') ('M' | 'm') ('L' | 'l'))
 * </pre>
 */
//CHANGED:
//EARLIER: scanPI()
//NOW: scanPI(XMLStringBuffer)
//it makes things more easy if XMLStringBUffer is passed. Motivation for this change is same
// as that for scanContent()

protected void scanPI(XMLStringBuffer data) throws IOException, XNIException {

    // target
    fReportEntity = false;
    String target = fEntityScanner.scanName();
    if (target == null) {
        reportFatalError("PITargetRequired", null);
    }

    // scan data
    scanPIData(target, data);
    fReportEntity = true;

}
 

import com.sun.org.apache.xerces.internal.util.XMLStringBuffer; //导入依赖的package包/类
private void init() {
    // initialize scanner
    fEntityScanner = null;
    // initialize vars
    fEntityDepth = 0;
    fReportEntity = true;
    fResourceIdentifier.clear();

    if(!fAttributeCacheInitDone){
        for(int i = 0; i < initialCacheCount; i++){
            attributeValueCache.add(new XMLString());
            stringBufferCache.add(new XMLStringBuffer());
        }
        fAttributeCacheInitDone = true;
    }
    fStringBufferIndex = 0;
    fAttributeCacheUsedCount = 0;

}
 

import com.sun.org.apache.xerces.internal.util.XMLStringBuffer; //导入依赖的package包/类
/**
 * Calls document handler with a single character resulting from
 * built-in entity resolution.
 *
 * @param c
 * @param entity built-in name
 * @param XMLStringBuffer append the character to buffer
 *
 * we really dont need to call this function -- this function is only required when
 * we integrate with rest of Xerces2. SO maintaining the current behavior and still
 * calling this function to hanlde built-in entity reference.
 *
 */
private void handleCharacter(char c, String entity, XMLStringBuffer content) throws XNIException {
    foundBuiltInRefs = true;
    content.append(c);
    if (fDocumentHandler != null) {
        fSingleChar[0] = c;
        if (fNotifyBuiltInRefs) {
            fDocumentHandler.startGeneralEntity(entity, null, null, null);
        }
        fTempString.setValues(fSingleChar, 0, 1);
        //fDocumentHandler.characters(fTempString, null);

        if (fNotifyBuiltInRefs) {
            fDocumentHandler.endGeneralEntity(entity, null);
        }
    }
}
 

import com.sun.org.apache.xerces.internal.util.XMLStringBuffer; //导入依赖的package包/类
/**
 * Add the count of the content buffer and check if the accumulated
 * value exceeds the limit
 * @param buffer content buffer
 */
protected void checkLimit(XMLStringBuffer buffer) {
    if (fLimitAnalyzer.isTracking(fCurrentEntityName)) {
        fLimitAnalyzer.addValue(Limit.GENERAL_ENTITY_SIZE_LIMIT, fCurrentEntityName, buffer.length);
        if (fSecurityManager.isOverLimit(Limit.GENERAL_ENTITY_SIZE_LIMIT, fLimitAnalyzer)) {
            fSecurityManager.debugPrint(fLimitAnalyzer);
            reportFatalError("MaxEntitySizeLimit", new Object[]{fCurrentEntityName,
                fLimitAnalyzer.getValue(Limit.GENERAL_ENTITY_SIZE_LIMIT),
                fSecurityManager.getLimit(Limit.GENERAL_ENTITY_SIZE_LIMIT),
                fSecurityManager.getStateLiteral(Limit.GENERAL_ENTITY_SIZE_LIMIT)});
        }
        if (fSecurityManager.isOverLimit(Limit.TOTAL_ENTITY_SIZE_LIMIT, fLimitAnalyzer)) {
            fSecurityManager.debugPrint(fLimitAnalyzer);
            reportFatalError("TotalEntitySizeLimit",
                new Object[]{fLimitAnalyzer.getTotalValue(Limit.TOTAL_ENTITY_SIZE_LIMIT),
                fSecurityManager.getLimit(Limit.TOTAL_ENTITY_SIZE_LIMIT),
                fSecurityManager.getStateLiteral(Limit.TOTAL_ENTITY_SIZE_LIMIT)});
        }
    }
}
 

import com.sun.org.apache.xerces.internal.util.XMLStringBuffer; //导入依赖的package包/类
/**
 * Scans a processing instruction.
 * <p>
 * <pre>
 * [16] PI ::= '&lt;?' PITarget (S (Char* - (Char* '?>' Char*)))? '?>'
 * [17] PITarget ::= Name - (('X' | 'x') ('M' | 'm') ('L' | 'l'))
 * </pre>
 */
//CHANGED:
//EARLIER: scanPI()
//NOW: scanPI(XMLStringBuffer)
//it makes things more easy if XMLStringBUffer is passed. Motivation for this change is same
// as that for scanContent()

protected void scanPI(XMLStringBuffer data) throws IOException, XNIException {

    // target
    fReportEntity = false;
    String target = fEntityScanner.scanName(NameType.PI);
    if (target == null) {
        reportFatalError("PITargetRequired", null);
    }

    // scan data
    scanPIData(target, data);
    fReportEntity = true;

}
 

import com.sun.org.apache.xerces.internal.util.XMLStringBuffer; //导入依赖的package包/类
/**
 * Calls document handler with a single character resulting from
 * built-in entity resolution.
 *
 * @param c
 * @param entity built-in name
 * @param XMLStringBuffer append the character to buffer
 *
 * we really dont need to call this function -- this function is only required when
 * we integrate with rest of Xerces2. SO maintaining the current behavior and still
 * calling this function to hanlde built-in entity reference.
 *
 */
private void handleCharacter(char c, String entity, XMLStringBuffer content) throws XNIException {
    foundBuiltInRefs = true;
    checkEntityLimit(false, fEntityScanner.fCurrentEntity.name, 1);
    content.append(c);
    if (fDocumentHandler != null) {
        fSingleChar[0] = c;
        if (fNotifyBuiltInRefs) {
            fDocumentHandler.startGeneralEntity(entity, null, null, null);
        }
        fTempString.setValues(fSingleChar, 0, 1);
        if(!fIsCoalesce){
            fDocumentHandler.characters(fTempString, null);
            builtInRefCharacterHandled = true;
        }

        if (fNotifyBuiltInRefs) {
            fDocumentHandler.endGeneralEntity(entity, null);
        }
    }
}
 

import com.sun.org.apache.xerces.internal.util.XMLStringBuffer; //导入依赖的package包/类
/**
 * Calls document handler with a single character resulting from
 * built-in entity resolution.
 *
 * @param c
 * @param entity built-in name
 * @param XMLStringBuffer append the character to buffer
 *
 * we really dont need to call this function -- this function is only required when
 * we integrate with rest of Xerces2. SO maintaining the current behavior and still
 * calling this function to hanlde built-in entity reference.
 *
 */
private void handleCharacter(char c, String entity, XMLStringBuffer content) throws XNIException {
    foundBuiltInRefs = true;
    content.append(c);
    if (fDocumentHandler != null) {
        fSingleChar[0] = c;
        if (fNotifyBuiltInRefs) {
            fDocumentHandler.startGeneralEntity(entity, null, null, null);
        }
        fTempString.setValues(fSingleChar, 0, 1);
        if(!fIsCoalesce){
            fDocumentHandler.characters(fTempString, null);
            builtInRefCharacterHandled = true;
        }

        if (fNotifyBuiltInRefs) {
            fDocumentHandler.endGeneralEntity(entity, null);
        }
    }
}
 

import com.sun.org.apache.xerces.internal.util.XMLStringBuffer; //导入依赖的package包/类
/**
 * Calls document handler with a single character resulting from
 * built-in entity resolution.
 *
 * @param c
 * @param entity built-in name
 * @param XMLStringBuffer append the character to buffer
 *
 * we really dont need to call this function -- this function is only required when
 * we integrate with rest of Xerces2. SO maintaining the current behavior and still
 * calling this function to hanlde built-in entity reference.
 *
 */
private void handleCharacter(char c, String entity, XMLStringBuffer content) throws XNIException {
    foundBuiltInRefs = true;
    checkEntityLimit(false, fEntityScanner.fCurrentEntity.name, 1);
    content.append(c);
    if (fDocumentHandler != null) {
        fSingleChar[0] = c;
        if (fNotifyBuiltInRefs) {
            fDocumentHandler.startGeneralEntity(entity, null, null, null);
        }
        fTempString.setValues(fSingleChar, 0, 1);
        //fDocumentHandler.characters(fTempString, null);

        if (fNotifyBuiltInRefs) {
            fDocumentHandler.endGeneralEntity(entity, null);
        }
    }
}
 

import com.sun.org.apache.xerces.internal.util.XMLStringBuffer; //导入依赖的package包/类
/**
 * Add the count of the content buffer and check if the accumulated
 * value exceeds the limit
 * @param buffer content buffer
 */
protected void checkLimit(XMLStringBuffer buffer) {
    if (fLimitAnalyzer.isTracking(fCurrentEntityName)) {
        fLimitAnalyzer.addValue(Limit.GENEAL_ENTITY_SIZE_LIMIT, fCurrentEntityName, buffer.length);
        if (fSecurityManager.isOverLimit(Limit.GENEAL_ENTITY_SIZE_LIMIT)) {
            fSecurityManager.debugPrint();
            reportFatalError("MaxEntitySizeLimit", new Object[]{fCurrentEntityName,
                fLimitAnalyzer.getValue(Limit.GENEAL_ENTITY_SIZE_LIMIT),
                fSecurityManager.getLimit(Limit.GENEAL_ENTITY_SIZE_LIMIT),
                fSecurityManager.getStateLiteral(Limit.GENEAL_ENTITY_SIZE_LIMIT)});
        }
        if (fSecurityManager.isOverLimit(Limit.TOTAL_ENTITY_SIZE_LIMIT)) {
            fSecurityManager.debugPrint();
            reportFatalError("TotalEntitySizeLimit",
                new Object[]{fLimitAnalyzer.getTotalValue(Limit.TOTAL_ENTITY_SIZE_LIMIT),
                fSecurityManager.getLimit(Limit.TOTAL_ENTITY_SIZE_LIMIT),
                fSecurityManager.getStateLiteral(Limit.TOTAL_ENTITY_SIZE_LIMIT)});
        }
    }
}
 

import com.sun.org.apache.xerces.internal.util.XMLStringBuffer; //导入依赖的package包/类
public XMLStringBuffer getDTDDecl(){
    Entity entity = fEntityScanner.getCurrentEntity();
    fDTDDecl.append(((Entity.ScannedEntity)entity).ch,fStartPos , fEndPos-fStartPos);
    if(fSeenInternalSubset)
        fDTDDecl.append("]>");
    return fDTDDecl;
}
 

import com.sun.org.apache.xerces.internal.util.XMLStringBuffer; //导入依赖的package包/类
/**
 * Scans a comment.
 * <p>
 * <pre>
 * [15] Comment ::= '&lt!--' ((Char - '-') | ('-' (Char - '-')))* '-->'
 * </pre>
 * <p>
 * <strong>Note:</strong> Called after scanning past '&lt;!--'
 * <strong>Note:</strong> This method uses fString, anything in it
 * at the time of calling is lost.
 *
 * @param text The buffer to fill in with the text.
 */
protected void scanComment(XMLStringBuffer text)
throws IOException, XNIException {

    //System.out.println( "XMLScanner#scanComment# In Scan Comment" );
    // text
    // REVISIT: handle invalid character, eof
    text.clear();
    while (fEntityScanner.scanData("--", text)) {
        int c = fEntityScanner.peekChar();

        //System.out.println( "XMLScanner#scanComment#text.toString() == " + text.toString() );
        //System.out.println( "XMLScanner#scanComment#c == " + c );

        if (c != -1) {
            if (XMLChar.isHighSurrogate(c)) {
                scanSurrogates(text);
            }
            if (isInvalidLiteral(c)) {
                reportFatalError("InvalidCharInComment",
                        new Object[] { Integer.toHexString(c) });
                        fEntityScanner.scanChar();
            }
        }
    }
    if (!fEntityScanner.skipChar('>')) {
        reportFatalError("DashDashInComment", null);
    }

}
 

import com.sun.org.apache.xerces.internal.util.XMLStringBuffer; //导入依赖的package包/类
/**
 * Scans surrogates and append them to the specified buffer.
 * <p>
 * <strong>Note:</strong> This assumes the current char has already been
 * identified as a high surrogate.
 *
 * @param buf The StringBuffer to append the read surrogates to.
 * @return True if it succeeded.
 */
protected boolean scanSurrogates(XMLStringBuffer buf)
throws IOException, XNIException {

    int high = fEntityScanner.scanChar();
    int low = fEntityScanner.peekChar();
    if (!XMLChar.isLowSurrogate(low)) {
        reportFatalError("InvalidCharInContent",
                new Object[] {Integer.toString(high, 16)});
                return false;
    }
    fEntityScanner.scanChar();

    // convert surrogates to supplemental character
    int c = XMLChar.supplemental((char)high, (char)low);

    // supplemental character must be a valid XML character
    if (isInvalid(c)) {
        reportFatalError("InvalidCharInContent",
                new Object[]{Integer.toString(c, 16)});
                return false;
    }

    // fill in the buffer
    buf.append((char)high);
    buf.append((char)low);

    return true;

}
 

import com.sun.org.apache.xerces.internal.util.XMLStringBuffer; //导入依赖的package包/类
XMLStringBuffer getStringBuffer(){
    if((fStringBufferIndex < initialCacheCount )|| (fStringBufferIndex < stringBufferCache.size())){
        return (XMLStringBuffer)stringBufferCache.get(fStringBufferIndex++);
    }else{
        XMLStringBuffer tmpObj = new XMLStringBuffer();
        fStringBufferIndex++;
        stringBufferCache.add(tmpObj);
        return tmpObj;
    }
}
 

import com.sun.org.apache.xerces.internal.util.XMLStringBuffer; //导入依赖的package包/类
/**
 * Scans a comment.
 * <p>
 * <pre>
 * [15] Comment ::= '&lt!--' ((Char - '-') | ('-' (Char - '-')))* '-->'
 * </pre>
 * <p>
 * <strong>Note:</strong> Called after scanning past '&lt;!--'
 * <strong>Note:</strong> This method uses fString, anything in it
 * at the time of calling is lost.
 *
 * @param text The buffer to fill in with the text.
 */
protected void scanComment(XMLStringBuffer text)
throws IOException, XNIException {

    //System.out.println( "XMLScanner#scanComment# In Scan Comment" );
    // text
    // REVISIT: handle invalid character, eof
    text.clear();
    while (fEntityScanner.scanData("--", text, 0)) {
        int c = fEntityScanner.peekChar();

        //System.out.println( "XMLScanner#scanComment#text.toString() == " + text.toString() );
        //System.out.println( "XMLScanner#scanComment#c == " + c );

        if (c != -1) {
            if (XMLChar.isHighSurrogate(c)) {
                scanSurrogates(text);
            }
            else if (isInvalidLiteral(c)) {
                reportFatalError("InvalidCharInComment",
                        new Object[] { Integer.toHexString(c) });
                        fEntityScanner.scanChar(NameType.COMMENT);
            }
        }
    }
    if (!fEntityScanner.skipChar('>', NameType.COMMENT)) {
        reportFatalError("DashDashInComment", null);
    }

}
 

import com.sun.org.apache.xerces.internal.util.XMLStringBuffer; //导入依赖的package包/类
/**
 * Resolves character entity references.
 * @param entityName the name of the entity
 * @param stringBuffer the current XMLStringBuffer to append the character to.
 * @return true if resolved, false otherwise
 */
protected boolean resolveCharacter(String entityName, XMLStringBuffer stringBuffer) {
    /**
     * entityNames (symbols) are interned. The equals method would do the same,
     * but I'm leaving it as comparisons by references are common in the impl
     * and it made it explicit to others who read this code.
     */
    if (entityName == fAmpSymbol) {
        stringBuffer.append('&');
        return true;
    } else if (entityName == fAposSymbol) {
        stringBuffer.append('\'');
        return true;
    } else if (entityName == fLtSymbol) {
        stringBuffer.append('<');
        return true;
    } else if (entityName == fGtSymbol) {
        checkEntityLimit(false, fEntityScanner.fCurrentEntity.name, 1);
        stringBuffer.append('>');
        return true;
    } else if (entityName == fQuotSymbol) {
        checkEntityLimit(false, fEntityScanner.fCurrentEntity.name, 1);
        stringBuffer.append('"');
        return true;
    }
    return false;
}