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Posted to dev@tapestry.apache.org by hl...@apache.org on 2012/05/30 21:20:36 UTC
[16/17] TAP5-1852: Upgrade Plastic to use ASM 4.0 - Remove unused
utility classes
http://git-wip-us.apache.org/repos/asf/tapestry-5/blob/d6e5f413/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/xml/ASMContentHandler.java
----------------------------------------------------------------------
diff --git a/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/xml/ASMContentHandler.java b/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/xml/ASMContentHandler.java
deleted file mode 100644
index ced133d..0000000
--- a/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/xml/ASMContentHandler.java
+++ /dev/null
@@ -1,1279 +0,0 @@
-/***
- * ASM XML Adapter
- * Copyright (c) 2004, Eugene Kuleshov
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-package org.apache.tapestry5.internal.plastic.asm.xml;
-
-import java.io.IOException;
-import java.io.OutputStream;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-
-import org.apache.tapestry5.internal.plastic.asm.AnnotationVisitor;
-import org.apache.tapestry5.internal.plastic.asm.ClassVisitor;
-import org.apache.tapestry5.internal.plastic.asm.ClassWriter;
-import org.apache.tapestry5.internal.plastic.asm.FieldVisitor;
-import org.apache.tapestry5.internal.plastic.asm.Label;
-import org.apache.tapestry5.internal.plastic.asm.MethodVisitor;
-import org.apache.tapestry5.internal.plastic.asm.Opcodes;
-import org.apache.tapestry5.internal.plastic.asm.Type;
-import org.xml.sax.Attributes;
-import org.xml.sax.SAXException;
-import org.xml.sax.helpers.DefaultHandler;
-
-/**
- * A {@link org.xml.sax.ContentHandler ContentHandler} that transforms XML
- * document into Java class file. This class can be feeded by any kind of SAX
- * 2.0 event producers, e.g. XML parser, XSLT or XPath engines, or custom code.
- *
- * @see org.apache.tapestry5.internal.plastic.asm.xml.SAXClassAdapter
- * @see org.apache.tapestry5.internal.plastic.asm.xml.Processor
- *
- * @author Eugene Kuleshov
- */
-public class ASMContentHandler extends DefaultHandler implements Opcodes {
-
- /**
- * Stack of the intermediate processing contexts.
- */
- private final List stack = new ArrayList();
-
- /**
- * Complete name of the current element.
- */
- String match = "";
-
- /**
- * <tt>true</tt> if the maximum stack size and number of local variables
- * must be automatically computed.
- */
- protected boolean computeMax;
-
- /**
- * Output stream to write result bytecode.
- */
- protected OutputStream os;
-
- /**
- * Current instance of the {@link ClassWriter ClassWriter} used to write
- * class bytecode.
- */
- protected ClassWriter cw;
-
- /**
- * Map of the active {@link Label Label} instances for current method.
- */
- protected Map labels;
-
- private static final String BASE = "class";
-
- private final RuleSet RULES = new RuleSet();
- {
- RULES.add(BASE, new ClassRule());
- RULES.add(BASE + "/interfaces/interface", new InterfaceRule());
- RULES.add(BASE + "/interfaces", new InterfacesRule());
- RULES.add(BASE + "/outerclass", new OuterClassRule());
- RULES.add(BASE + "/innerclass", new InnerClassRule());
- RULES.add(BASE + "/source", new SourceRule());
- RULES.add(BASE + "/field", new FieldRule());
-
- RULES.add(BASE + "/method", new MethodRule());
- RULES.add(BASE + "/method/exceptions/exception", new ExceptionRule());
- RULES.add(BASE + "/method/exceptions", new ExceptionsRule());
-
- RULES.add(BASE + "/method/annotationDefault",
- new AnnotationDefaultRule());
-
- RULES.add(BASE + "/method/code/*", new OpcodesRule()); // opcodes
-
- RULES.add(BASE + "/method/code/frame", new FrameRule());
- RULES.add(BASE + "/method/code/frame/local", new FrameTypeRule());
- RULES.add(BASE + "/method/code/frame/stack", new FrameTypeRule());
-
- RULES.add(BASE + "/method/code/TABLESWITCH", new TableSwitchRule());
- RULES.add(BASE + "/method/code/TABLESWITCH/label",
- new TableSwitchLabelRule());
- RULES.add(BASE + "/method/code/LOOKUPSWITCH", new LookupSwitchRule());
- RULES.add(BASE + "/method/code/LOOKUPSWITCH/label",
- new LookupSwitchLabelRule());
-
- RULES.add(BASE + "/method/code/Label", new LabelRule());
- RULES.add(BASE + "/method/code/TryCatch", new TryCatchRule());
- RULES.add(BASE + "/method/code/LineNumber", new LineNumberRule());
- RULES.add(BASE + "/method/code/LocalVar", new LocalVarRule());
- RULES.add(BASE + "/method/code/Max", new MaxRule());
-
- RULES.add("*/annotation", new AnnotationRule());
- RULES.add("*/parameterAnnotation", new AnnotationParameterRule());
- RULES.add("*/annotationValue", new AnnotationValueRule());
- RULES.add("*/annotationValueAnnotation",
- new AnnotationValueAnnotationRule());
- RULES.add("*/annotationValueEnum", new AnnotationValueEnumRule());
- RULES.add("*/annotationValueArray", new AnnotationValueArrayRule());
- }
-
- private static interface OpcodeGroup {
- public static final int INSN = 0;
- public static final int INSN_INT = 1;
- public static final int INSN_VAR = 2;
- public static final int INSN_TYPE = 3;
- public static final int INSN_FIELD = 4;
- public static final int INSN_METHOD = 5;
- public static final int INSN_JUMP = 6;
- public static final int INSN_LDC = 7;
- public static final int INSN_IINC = 8;
- public static final int INSN_MULTIANEWARRAY = 9;
- }
-
- /**
- * Map of the opcode names to opcode and opcode group
- */
- static final Map OPCODES = new HashMap();
- static {
- addOpcode("NOP", NOP, OpcodeGroup.INSN);
- addOpcode("ACONST_NULL", ACONST_NULL, OpcodeGroup.INSN);
- addOpcode("ICONST_M1", ICONST_M1, OpcodeGroup.INSN);
- addOpcode("ICONST_0", ICONST_0, OpcodeGroup.INSN);
- addOpcode("ICONST_1", ICONST_1, OpcodeGroup.INSN);
- addOpcode("ICONST_2", ICONST_2, OpcodeGroup.INSN);
- addOpcode("ICONST_3", ICONST_3, OpcodeGroup.INSN);
- addOpcode("ICONST_4", ICONST_4, OpcodeGroup.INSN);
- addOpcode("ICONST_5", ICONST_5, OpcodeGroup.INSN);
- addOpcode("LCONST_0", LCONST_0, OpcodeGroup.INSN);
- addOpcode("LCONST_1", LCONST_1, OpcodeGroup.INSN);
- addOpcode("FCONST_0", FCONST_0, OpcodeGroup.INSN);
- addOpcode("FCONST_1", FCONST_1, OpcodeGroup.INSN);
- addOpcode("FCONST_2", FCONST_2, OpcodeGroup.INSN);
- addOpcode("DCONST_0", DCONST_0, OpcodeGroup.INSN);
- addOpcode("DCONST_1", DCONST_1, OpcodeGroup.INSN);
- addOpcode("BIPUSH", BIPUSH, OpcodeGroup.INSN_INT);
- addOpcode("SIPUSH", SIPUSH, OpcodeGroup.INSN_INT);
- addOpcode("LDC", LDC, OpcodeGroup.INSN_LDC);
- addOpcode("ILOAD", ILOAD, OpcodeGroup.INSN_VAR);
- addOpcode("LLOAD", LLOAD, OpcodeGroup.INSN_VAR);
- addOpcode("FLOAD", FLOAD, OpcodeGroup.INSN_VAR);
- addOpcode("DLOAD", DLOAD, OpcodeGroup.INSN_VAR);
- addOpcode("ALOAD", ALOAD, OpcodeGroup.INSN_VAR);
- addOpcode("IALOAD", IALOAD, OpcodeGroup.INSN);
- addOpcode("LALOAD", LALOAD, OpcodeGroup.INSN);
- addOpcode("FALOAD", FALOAD, OpcodeGroup.INSN);
- addOpcode("DALOAD", DALOAD, OpcodeGroup.INSN);
- addOpcode("AALOAD", AALOAD, OpcodeGroup.INSN);
- addOpcode("BALOAD", BALOAD, OpcodeGroup.INSN);
- addOpcode("CALOAD", CALOAD, OpcodeGroup.INSN);
- addOpcode("SALOAD", SALOAD, OpcodeGroup.INSN);
- addOpcode("ISTORE", ISTORE, OpcodeGroup.INSN_VAR);
- addOpcode("LSTORE", LSTORE, OpcodeGroup.INSN_VAR);
- addOpcode("FSTORE", FSTORE, OpcodeGroup.INSN_VAR);
- addOpcode("DSTORE", DSTORE, OpcodeGroup.INSN_VAR);
- addOpcode("ASTORE", ASTORE, OpcodeGroup.INSN_VAR);
- addOpcode("IASTORE", IASTORE, OpcodeGroup.INSN);
- addOpcode("LASTORE", LASTORE, OpcodeGroup.INSN);
- addOpcode("FASTORE", FASTORE, OpcodeGroup.INSN);
- addOpcode("DASTORE", DASTORE, OpcodeGroup.INSN);
- addOpcode("AASTORE", AASTORE, OpcodeGroup.INSN);
- addOpcode("BASTORE", BASTORE, OpcodeGroup.INSN);
- addOpcode("CASTORE", CASTORE, OpcodeGroup.INSN);
- addOpcode("SASTORE", SASTORE, OpcodeGroup.INSN);
- addOpcode("POP", POP, OpcodeGroup.INSN);
- addOpcode("POP2", POP2, OpcodeGroup.INSN);
- addOpcode("DUP", DUP, OpcodeGroup.INSN);
- addOpcode("DUP_X1", DUP_X1, OpcodeGroup.INSN);
- addOpcode("DUP_X2", DUP_X2, OpcodeGroup.INSN);
- addOpcode("DUP2", DUP2, OpcodeGroup.INSN);
- addOpcode("DUP2_X1", DUP2_X1, OpcodeGroup.INSN);
- addOpcode("DUP2_X2", DUP2_X2, OpcodeGroup.INSN);
- addOpcode("SWAP", SWAP, OpcodeGroup.INSN);
- addOpcode("IADD", IADD, OpcodeGroup.INSN);
- addOpcode("LADD", LADD, OpcodeGroup.INSN);
- addOpcode("FADD", FADD, OpcodeGroup.INSN);
- addOpcode("DADD", DADD, OpcodeGroup.INSN);
- addOpcode("ISUB", ISUB, OpcodeGroup.INSN);
- addOpcode("LSUB", LSUB, OpcodeGroup.INSN);
- addOpcode("FSUB", FSUB, OpcodeGroup.INSN);
- addOpcode("DSUB", DSUB, OpcodeGroup.INSN);
- addOpcode("IMUL", IMUL, OpcodeGroup.INSN);
- addOpcode("LMUL", LMUL, OpcodeGroup.INSN);
- addOpcode("FMUL", FMUL, OpcodeGroup.INSN);
- addOpcode("DMUL", DMUL, OpcodeGroup.INSN);
- addOpcode("IDIV", IDIV, OpcodeGroup.INSN);
- addOpcode("LDIV", LDIV, OpcodeGroup.INSN);
- addOpcode("FDIV", FDIV, OpcodeGroup.INSN);
- addOpcode("DDIV", DDIV, OpcodeGroup.INSN);
- addOpcode("IREM", IREM, OpcodeGroup.INSN);
- addOpcode("LREM", LREM, OpcodeGroup.INSN);
- addOpcode("FREM", FREM, OpcodeGroup.INSN);
- addOpcode("DREM", DREM, OpcodeGroup.INSN);
- addOpcode("INEG", INEG, OpcodeGroup.INSN);
- addOpcode("LNEG", LNEG, OpcodeGroup.INSN);
- addOpcode("FNEG", FNEG, OpcodeGroup.INSN);
- addOpcode("DNEG", DNEG, OpcodeGroup.INSN);
- addOpcode("ISHL", ISHL, OpcodeGroup.INSN);
- addOpcode("LSHL", LSHL, OpcodeGroup.INSN);
- addOpcode("ISHR", ISHR, OpcodeGroup.INSN);
- addOpcode("LSHR", LSHR, OpcodeGroup.INSN);
- addOpcode("IUSHR", IUSHR, OpcodeGroup.INSN);
- addOpcode("LUSHR", LUSHR, OpcodeGroup.INSN);
- addOpcode("IAND", IAND, OpcodeGroup.INSN);
- addOpcode("LAND", LAND, OpcodeGroup.INSN);
- addOpcode("IOR", IOR, OpcodeGroup.INSN);
- addOpcode("LOR", LOR, OpcodeGroup.INSN);
- addOpcode("IXOR", IXOR, OpcodeGroup.INSN);
- addOpcode("LXOR", LXOR, OpcodeGroup.INSN);
- addOpcode("IINC", IINC, OpcodeGroup.INSN_IINC);
- addOpcode("I2L", I2L, OpcodeGroup.INSN);
- addOpcode("I2F", I2F, OpcodeGroup.INSN);
- addOpcode("I2D", I2D, OpcodeGroup.INSN);
- addOpcode("L2I", L2I, OpcodeGroup.INSN);
- addOpcode("L2F", L2F, OpcodeGroup.INSN);
- addOpcode("L2D", L2D, OpcodeGroup.INSN);
- addOpcode("F2I", F2I, OpcodeGroup.INSN);
- addOpcode("F2L", F2L, OpcodeGroup.INSN);
- addOpcode("F2D", F2D, OpcodeGroup.INSN);
- addOpcode("D2I", D2I, OpcodeGroup.INSN);
- addOpcode("D2L", D2L, OpcodeGroup.INSN);
- addOpcode("D2F", D2F, OpcodeGroup.INSN);
- addOpcode("I2B", I2B, OpcodeGroup.INSN);
- addOpcode("I2C", I2C, OpcodeGroup.INSN);
- addOpcode("I2S", I2S, OpcodeGroup.INSN);
- addOpcode("LCMP", LCMP, OpcodeGroup.INSN);
- addOpcode("FCMPL", FCMPL, OpcodeGroup.INSN);
- addOpcode("FCMPG", FCMPG, OpcodeGroup.INSN);
- addOpcode("DCMPL", DCMPL, OpcodeGroup.INSN);
- addOpcode("DCMPG", DCMPG, OpcodeGroup.INSN);
- addOpcode("IFEQ", IFEQ, OpcodeGroup.INSN_JUMP);
- addOpcode("IFNE", IFNE, OpcodeGroup.INSN_JUMP);
- addOpcode("IFLT", IFLT, OpcodeGroup.INSN_JUMP);
- addOpcode("IFGE", IFGE, OpcodeGroup.INSN_JUMP);
- addOpcode("IFGT", IFGT, OpcodeGroup.INSN_JUMP);
- addOpcode("IFLE", IFLE, OpcodeGroup.INSN_JUMP);
- addOpcode("IF_ICMPEQ", IF_ICMPEQ, OpcodeGroup.INSN_JUMP);
- addOpcode("IF_ICMPNE", IF_ICMPNE, OpcodeGroup.INSN_JUMP);
- addOpcode("IF_ICMPLT", IF_ICMPLT, OpcodeGroup.INSN_JUMP);
- addOpcode("IF_ICMPGE", IF_ICMPGE, OpcodeGroup.INSN_JUMP);
- addOpcode("IF_ICMPGT", IF_ICMPGT, OpcodeGroup.INSN_JUMP);
- addOpcode("IF_ICMPLE", IF_ICMPLE, OpcodeGroup.INSN_JUMP);
- addOpcode("IF_ACMPEQ", IF_ACMPEQ, OpcodeGroup.INSN_JUMP);
- addOpcode("IF_ACMPNE", IF_ACMPNE, OpcodeGroup.INSN_JUMP);
- addOpcode("GOTO", GOTO, OpcodeGroup.INSN_JUMP);
- addOpcode("JSR", JSR, OpcodeGroup.INSN_JUMP);
- addOpcode("RET", RET, OpcodeGroup.INSN_VAR);
- addOpcode("IRETURN", IRETURN, OpcodeGroup.INSN);
- addOpcode("LRETURN", LRETURN, OpcodeGroup.INSN);
- addOpcode("FRETURN", FRETURN, OpcodeGroup.INSN);
- addOpcode("DRETURN", DRETURN, OpcodeGroup.INSN);
- addOpcode("ARETURN", ARETURN, OpcodeGroup.INSN);
- addOpcode("RETURN", RETURN, OpcodeGroup.INSN);
- addOpcode("GETSTATIC", GETSTATIC, OpcodeGroup.INSN_FIELD);
- addOpcode("PUTSTATIC", PUTSTATIC, OpcodeGroup.INSN_FIELD);
- addOpcode("GETFIELD", GETFIELD, OpcodeGroup.INSN_FIELD);
- addOpcode("PUTFIELD", PUTFIELD, OpcodeGroup.INSN_FIELD);
- addOpcode("INVOKEVIRTUAL", INVOKEVIRTUAL, OpcodeGroup.INSN_METHOD);
- addOpcode("INVOKESPECIAL", INVOKESPECIAL, OpcodeGroup.INSN_METHOD);
- addOpcode("INVOKESTATIC", INVOKESTATIC, OpcodeGroup.INSN_METHOD);
- addOpcode("INVOKEINTERFACE", INVOKEINTERFACE, OpcodeGroup.INSN_METHOD);
- addOpcode("INVOKEDYNAMIC", INVOKEDYNAMIC, OpcodeGroup.INSN_METHOD);
- addOpcode("NEW", NEW, OpcodeGroup.INSN_TYPE);
- addOpcode("NEWARRAY", NEWARRAY, OpcodeGroup.INSN_INT);
- addOpcode("ANEWARRAY", ANEWARRAY, OpcodeGroup.INSN_TYPE);
- addOpcode("ARRAYLENGTH", ARRAYLENGTH, OpcodeGroup.INSN);
- addOpcode("ATHROW", ATHROW, OpcodeGroup.INSN);
- addOpcode("CHECKCAST", CHECKCAST, OpcodeGroup.INSN_TYPE);
- addOpcode("INSTANCEOF", INSTANCEOF, OpcodeGroup.INSN_TYPE);
- addOpcode("MONITORENTER", MONITORENTER, OpcodeGroup.INSN);
- addOpcode("MONITOREXIT", MONITOREXIT, OpcodeGroup.INSN);
- addOpcode("MULTIANEWARRAY", MULTIANEWARRAY, OpcodeGroup.INSN_MULTIANEWARRAY);
- addOpcode("IFNULL", IFNULL, OpcodeGroup.INSN_JUMP);
- addOpcode("IFNONNULL", IFNONNULL, OpcodeGroup.INSN_JUMP);
- }
-
- private static void addOpcode(String operStr, int oper, int group) {
- OPCODES.put(operStr, new Opcode(oper, group));
- }
-
- static final Map TYPES = new HashMap();
- static {
- String[] types = SAXCodeAdapter.TYPES;
- for (int i = 0; i < types.length; i++) {
- TYPES.put(types[i], new Integer(i));
- }
- }
-
- /**
- * Constructs a new {@link ASMContentHandler ASMContentHandler} object.
- *
- * @param os output stream to write generated class.
- * @param computeMax <tt>true</tt> if the maximum stack size and the
- * maximum number of local variables must be automatically computed.
- * This value is passed to {@link ClassWriter ClassWriter} instance.
- */
- public ASMContentHandler(final OutputStream os, final boolean computeMax) {
- this.os = os;
- this.computeMax = computeMax;
- }
-
- /**
- * Returns the bytecode of the class that was build with underneath class
- * writer.
- *
- * @return the bytecode of the class that was build with underneath class
- * writer or null if there are no classwriter created.
- */
- public byte[] toByteArray() {
- return cw == null ? null : cw.toByteArray();
- }
-
- /**
- * Process notification of the start of an XML element being reached.
- *
- * @param ns - The Namespace URI, or the empty string if the element has no
- * Namespace URI or if Namespace processing is not being performed.
- * @param lName - The local name (without prefix), or the empty string if
- * Namespace processing is not being performed.
- * @param qName - The qualified name (with prefix), or the empty string if
- * qualified names are not available.
- * @param list - The attributes attached to the element. If there are no
- * attributes, it shall be an empty Attributes object.
- * @exception SAXException if a parsing error is to be reported
- */
- public final void startElement(
- final String ns,
- final String lName,
- final String qName,
- final Attributes list) throws SAXException
- {
- // the actual element name is either in lName or qName, depending
- // on whether the parser is namespace aware
- String name = lName == null || lName.length() == 0 ? qName : lName;
-
- // Compute the current matching rule
- StringBuffer sb = new StringBuffer(match);
- if (match.length() > 0) {
- sb.append('/');
- }
- sb.append(name);
- match = sb.toString();
-
- // Fire "begin" events for all relevant rules
- Rule r = (Rule) RULES.match(match);
- if (r != null) {
- r.begin(name, list);
- }
- }
-
- /**
- * Process notification of the end of an XML element being reached.
- *
- * @param ns - The Namespace URI, or the empty string if the element has no
- * Namespace URI or if Namespace processing is not being performed.
- * @param lName - The local name (without prefix), or the empty string if
- * Namespace processing is not being performed.
- * @param qName - The qualified XML 1.0 name (with prefix), or the empty
- * string if qualified names are not available.
- *
- * @exception SAXException if a parsing error is to be reported
- */
- public final void endElement(
- final String ns,
- final String lName,
- final String qName) throws SAXException
- {
- // the actual element name is either in lName or qName, depending
- // on whether the parser is namespace aware
- String name = lName == null || lName.length() == 0 ? qName : lName;
-
- // Fire "end" events for all relevant rules in reverse order
- Rule r = (Rule) RULES.match(match);
- if (r != null) {
- r.end(name);
- }
-
- // Recover the previous match expression
- int slash = match.lastIndexOf('/');
- if (slash >= 0) {
- match = match.substring(0, slash);
- } else {
- match = "";
- }
- }
-
- /**
- * Process notification of the end of a document and write generated
- * bytecode into output stream.
- *
- * @exception SAXException if parsing or writing error is to be reported.
- */
- public final void endDocument() throws SAXException {
- try {
- os.write(toByteArray());
- } catch (IOException ex) {
- throw new SAXException(ex.toString(), ex);
- }
- }
-
- /**
- * Return the top object on the stack without removing it. If there are no
- * objects on the stack, return <code>null</code>.
- *
- * @return the top object on the stack without removing it.
- */
- final Object peek() {
- int size = stack.size();
- return size == 0 ? null : stack.get(size - 1);
- }
-
- /**
- * Pop the top object off of the stack, and return it. If there are no
- * objects on the stack, return <code>null</code>.
- *
- * @return the top object off of the stack.
- */
- final Object pop() {
- int size = stack.size();
- return size == 0 ? null : stack.remove(size - 1);
- }
-
- /**
- * Push a new object onto the top of the object stack.
- *
- * @param object The new object
- */
- final void push(final Object object) {
- stack.add(object);
- }
-
- static final class RuleSet {
-
- private final Map rules = new HashMap();
-
- private final List lpatterns = new ArrayList();
-
- private final List rpatterns = new ArrayList();
-
- public void add(final String path, final Object rule) {
- String pattern = path;
- if (path.startsWith("*/")) {
- pattern = path.substring(1);
- lpatterns.add(pattern);
- } else if (path.endsWith("/*")) {
- pattern = path.substring(0, path.length() - 1);
- rpatterns.add(pattern);
- }
- rules.put(pattern, rule);
- }
-
- public Object match(final String path) {
- if (rules.containsKey(path)) {
- return rules.get(path);
- }
-
- int n = path.lastIndexOf('/');
- for (Iterator it = lpatterns.iterator(); it.hasNext();) {
- String pattern = (String) it.next();
- if (path.substring(n).endsWith(pattern)) {
- return rules.get(pattern);
- }
- }
-
- for (Iterator it = rpatterns.iterator(); it.hasNext();) {
- String pattern = (String) it.next();
- if (path.startsWith(pattern)) {
- return rules.get(pattern);
- }
- }
-
- return null;
- }
- }
-
- /**
- * Rule
- */
- protected abstract class Rule {
-
- public void begin(final String name, final Attributes attrs)
- throws SAXException
- {
- }
-
- public void end(final String name) {
- }
-
- protected final Object getValue(final String desc, final String val)
- throws SAXException
- {
- Object value = null;
- if (val != null) {
- if ("Ljava/lang/String;".equals(desc)) {
- value = decode(val);
- } else if ("Ljava/lang/Integer;".equals(desc)
- || "I".equals(desc) || "S".equals(desc)
- || "B".equals(desc) || "C".equals(desc)
- || "Z".equals(desc))
- {
- value = new Integer(val);
-
- } else if ("Ljava/lang/Short;".equals(desc)) {
- value = new Short(val);
-
- } else if ("Ljava/lang/Byte;".equals(desc)) {
- value = new Byte(val);
-
- } else if ("Ljava/lang/Character;".equals(desc)) {
- value = new Character(decode(val).charAt(0));
-
- } else if ("Ljava/lang/Boolean;".equals(desc)) {
- value = Boolean.valueOf(val);
-
- } else if ("Ljava/lang/Long;".equals(desc) || "J".equals(desc))
- {
- value = new Long(val);
- } else if ("Ljava/lang/Float;".equals(desc) || "F".equals(desc))
- {
- value = new Float(val);
- } else if ("Ljava/lang/Double;".equals(desc)
- || "D".equals(desc))
- {
- value = new Double(val);
- } else if (Type.getDescriptor(Type.class).equals(desc)) {
- value = Type.getType(val);
-
- } else {
- // TODO use of default toString().
- throw new SAXException("Invalid value:" + val + " desc:"
- + desc + " ctx:" + this);
- }
- }
- return value;
- }
-
- private final String decode(final String val) throws SAXException {
- StringBuffer sb = new StringBuffer(val.length());
- try {
- int n = 0;
- while (n < val.length()) {
- char c = val.charAt(n);
- if (c == '\\') {
- n++;
- c = val.charAt(n);
- if (c == '\\') {
- sb.append('\\');
- } else {
- n++; // skip 'u'
- sb.append((char) Integer.parseInt(val.substring(n,
- n + 4), 16));
- n += 3;
- }
- } else {
- sb.append(c);
- }
- n++;
- }
-
- } catch (RuntimeException ex) {
- throw new SAXException(ex);
- }
- return sb.toString();
- }
-
- protected final Label getLabel(final Object label) {
- Label lbl = (Label) labels.get(label);
- if (lbl == null) {
- lbl = new Label();
- labels.put(label, lbl);
- }
- return lbl;
- }
-
- // TODO verify move to stack
- protected final MethodVisitor getCodeVisitor() {
- return (MethodVisitor) peek();
- }
-
- protected final int getAccess(final String s) {
- int access = 0;
- if (s.indexOf("public") != -1) {
- access |= ACC_PUBLIC;
- }
- if (s.indexOf("private") != -1) {
- access |= ACC_PRIVATE;
- }
- if (s.indexOf("protected") != -1) {
- access |= ACC_PROTECTED;
- }
- if (s.indexOf("static") != -1) {
- access |= ACC_STATIC;
- }
- if (s.indexOf("final") != -1) {
- access |= ACC_FINAL;
- }
- if (s.indexOf("super") != -1) {
- access |= ACC_SUPER;
- }
- if (s.indexOf("synchronized") != -1) {
- access |= ACC_SYNCHRONIZED;
- }
- if (s.indexOf("volatile") != -1) {
- access |= ACC_VOLATILE;
- }
- if (s.indexOf("bridge") != -1) {
- access |= ACC_BRIDGE;
- }
- if (s.indexOf("varargs") != -1) {
- access |= ACC_VARARGS;
- }
- if (s.indexOf("transient") != -1) {
- access |= ACC_TRANSIENT;
- }
- if (s.indexOf("native") != -1) {
- access |= ACC_NATIVE;
- }
- if (s.indexOf("interface") != -1) {
- access |= ACC_INTERFACE;
- }
- if (s.indexOf("abstract") != -1) {
- access |= ACC_ABSTRACT;
- }
- if (s.indexOf("strict") != -1) {
- access |= ACC_STRICT;
- }
- if (s.indexOf("synthetic") != -1) {
- access |= ACC_SYNTHETIC;
- }
- if (s.indexOf("annotation") != -1) {
- access |= ACC_ANNOTATION;
- }
- if (s.indexOf("enum") != -1) {
- access |= ACC_ENUM;
- }
- if (s.indexOf("deprecated") != -1) {
- access |= ACC_DEPRECATED;
- }
- return access;
- }
- }
-
- /**
- * ClassRule
- */
- final class ClassRule extends Rule {
-
- public final void begin(final String name, final Attributes attrs) {
- int major = Integer.parseInt(attrs.getValue("major"));
- int minor = Integer.parseInt(attrs.getValue("minor"));
- cw = new ClassWriter(computeMax ? ClassWriter.COMPUTE_MAXS : 0);
- Map vals = new HashMap();
- vals.put("version", new Integer(minor << 16 | major));
- vals.put("access", attrs.getValue("access"));
- vals.put("name", attrs.getValue("name"));
- vals.put("parent", attrs.getValue("parent"));
- vals.put("source", attrs.getValue("source"));
- vals.put("signature", attrs.getValue("signature"));
- vals.put("interfaces", new ArrayList());
- push(vals);
- // values will be extracted in InterfacesRule.end();
- }
- }
-
- final class SourceRule extends Rule {
-
- public void begin(final String name, final Attributes attrs) {
- String file = attrs.getValue("file");
- String debug = attrs.getValue("debug");
- cw.visitSource(file, debug);
- }
- }
-
- /**
- * InterfaceRule
- */
- final class InterfaceRule extends Rule {
-
- public final void begin(final String name, final Attributes attrs) {
- ((List) ((HashMap) peek()).get("interfaces")).add(attrs.getValue("name"));
- }
- }
-
- /**
- * InterfacesRule
- */
- final class InterfacesRule extends Rule {
-
- public final void end(final String element) {
- Map vals = (Map) pop();
- int version = ((Integer) vals.get("version")).intValue();
- int access = getAccess((String) vals.get("access"));
- String name = (String) vals.get("name");
- String signature = (String) vals.get("signature");
- String parent = (String) vals.get("parent");
- List infs = (List) vals.get("interfaces");
- String[] interfaces = (String[]) infs.toArray(new String[infs.size()]);
- cw.visit(version, access, name, signature, parent, interfaces);
- push(cw);
- }
- }
-
- /**
- * OuterClassRule
- */
- final class OuterClassRule extends Rule {
-
- public final void begin(final String element, final Attributes attrs) {
- String owner = attrs.getValue("owner");
- String name = attrs.getValue("name");
- String desc = attrs.getValue("desc");
- cw.visitOuterClass(owner, name, desc);
- }
- }
-
- /**
- * InnerClassRule
- */
- final class InnerClassRule extends Rule {
-
- public final void begin(final String element, final Attributes attrs) {
- int access = getAccess(attrs.getValue("access"));
- String name = attrs.getValue("name");
- String outerName = attrs.getValue("outerName");
- String innerName = attrs.getValue("innerName");
- cw.visitInnerClass(name, outerName, innerName, access);
- }
- }
-
- /**
- * FieldRule
- */
- final class FieldRule extends Rule {
-
- public final void begin(final String element, final Attributes attrs)
- throws SAXException
- {
- int access = getAccess(attrs.getValue("access"));
- String name = attrs.getValue("name");
- String signature = attrs.getValue("signature");
- String desc = attrs.getValue("desc");
- Object value = getValue(desc, attrs.getValue("value"));
- push(cw.visitField(access, name, desc, signature, value));
- }
-
- public void end(final String name) {
- ((FieldVisitor) pop()).visitEnd();
- }
- }
-
- /**
- * MethodRule
- */
- final class MethodRule extends Rule {
-
- public final void begin(final String name, final Attributes attrs) {
- labels = new HashMap();
- Map vals = new HashMap();
- vals.put("access", attrs.getValue("access"));
- vals.put("name", attrs.getValue("name"));
- vals.put("desc", attrs.getValue("desc"));
- vals.put("signature", attrs.getValue("signature"));
- vals.put("exceptions", new ArrayList());
- push(vals);
- // values will be extracted in ExceptionsRule.end();
- }
-
- public final void end(final String name) {
- ((MethodVisitor) pop()).visitEnd();
- labels = null;
- }
- }
-
- /**
- * ExceptionRule
- */
- final class ExceptionRule extends Rule {
-
- public final void begin(final String name, final Attributes attrs) {
- ((List) ((HashMap) peek()).get("exceptions")).add(attrs.getValue("name"));
- }
- }
-
- /**
- * ExceptionsRule
- */
- final class ExceptionsRule extends Rule {
-
- public final void end(final String element) {
- Map vals = (Map) pop();
- int access = getAccess((String) vals.get("access"));
- String name = (String) vals.get("name");
- String desc = (String) vals.get("desc");
- String signature = (String) vals.get("signature");
- List excs = (List) vals.get("exceptions");
- String[] exceptions = (String[]) excs.toArray(new String[excs.size()]);
-
- push(cw.visitMethod(access, name, desc, signature, exceptions));
- }
- }
-
- /**
- * TableSwitchRule
- */
- class TableSwitchRule extends Rule {
-
- public final void begin(final String name, final Attributes attrs) {
- Map vals = new HashMap();
- vals.put("min", attrs.getValue("min"));
- vals.put("max", attrs.getValue("max"));
- vals.put("dflt", attrs.getValue("dflt"));
- vals.put("labels", new ArrayList());
- push(vals);
- }
-
- public final void end(final String name) {
- Map vals = (Map) pop();
- int min = Integer.parseInt((String) vals.get("min"));
- int max = Integer.parseInt((String) vals.get("max"));
- Label dflt = getLabel(vals.get("dflt"));
- List lbls = (List) vals.get("labels");
- Label[] labels = (Label[]) lbls.toArray(new Label[lbls.size()]);
- getCodeVisitor().visitTableSwitchInsn(min, max, dflt, labels);
- }
- }
-
- /**
- * TableSwitchLabelRule
- */
- final class TableSwitchLabelRule extends Rule {
-
- public final void begin(final String name, final Attributes attrs) {
- ((List) ((HashMap) peek()).get("labels")).add(getLabel(attrs.getValue("name")));
- }
- }
-
- /**
- * LookupSwitchRule
- */
- final class LookupSwitchRule extends Rule {
-
- public final void begin(final String name, final Attributes attrs) {
- Map vals = new HashMap();
- vals.put("dflt", attrs.getValue("dflt"));
- vals.put("labels", new ArrayList());
- vals.put("keys", new ArrayList());
- push(vals);
- }
-
- public final void end(final String name) {
- Map vals = (Map) pop();
- Label dflt = getLabel(vals.get("dflt"));
- List keyList = (List) vals.get("keys");
- List lbls = (List) vals.get("labels");
- Label[] labels = (Label[]) lbls.toArray(new Label[lbls.size()]);
- int[] keys = new int[keyList.size()];
- for (int i = 0; i < keys.length; i++) {
- keys[i] = Integer.parseInt((String) keyList.get(i));
- }
- getCodeVisitor().visitLookupSwitchInsn(dflt, keys, labels);
- }
- }
-
- /**
- * LookupSwitchLabelRule
- */
- final class LookupSwitchLabelRule extends Rule {
-
- public final void begin(final String name, final Attributes attrs) {
- Map vals = (Map) peek();
- ((List) vals.get("labels")).add(getLabel(attrs.getValue("name")));
- ((List) vals.get("keys")).add(attrs.getValue("key"));
- }
- }
-
- /**
- * FrameRule
- */
- final class FrameRule extends Rule {
-
- public void begin(final String name, final Attributes attrs) {
- Map typeLists = new HashMap();
- typeLists.put("local", new ArrayList());
- typeLists.put("stack", new ArrayList());
- push(attrs.getValue("type"));
- push(attrs.getValue("count") == null
- ? "0"
- : attrs.getValue("count"));
- push(typeLists);
- }
-
- public void end(final String name) {
- Map typeLists = (Map) pop();
- List locals = (List) typeLists.get("local");
- int nLocal = locals.size();
- Object[] local = locals.toArray();
- List stacks = (List) typeLists.get("stack");
- int nStack = stacks.size();
- Object[] stack = stacks.toArray();
- String count = (String) pop();
- String type = (String) pop();
- if ("NEW".equals(type)) {
- getCodeVisitor().visitFrame(F_NEW,
- nLocal,
- local,
- nStack,
- stack);
- } else if ("FULL".equals(type)) {
- getCodeVisitor().visitFrame(F_FULL,
- nLocal,
- local,
- nStack,
- stack);
- } else if ("APPEND".equals(type)) {
- getCodeVisitor().visitFrame(F_APPEND,
- nLocal,
- local,
- 0,
- null);
- } else if ("CHOP".equals(type)) {
- getCodeVisitor().visitFrame(F_CHOP,
- Integer.parseInt(count),
- null,
- 0,
- null);
- } else if ("SAME".equals(type)) {
- getCodeVisitor().visitFrame(F_SAME, 0, null, 0, null);
- } else if ("SAME1".equals(type)) {
- getCodeVisitor().visitFrame(F_SAME1,
- 0,
- null,
- nStack,
- stack);
- }
- }
- }
-
- final class FrameTypeRule extends Rule {
-
- public void begin(final String name, final Attributes attrs) {
- List types = (List) ((HashMap) peek()).get(name);
- String type = attrs.getValue("type");
- if ("uninitialized".equals(type)) {
- types.add(getLabel(attrs.getValue("label")));
- } else {
- Integer t = (Integer) TYPES.get(type);
- if (t == null) {
- types.add(type);
- } else {
- types.add(t);
- }
- }
- }
- }
-
- /**
- * LabelRule
- */
- final class LabelRule extends Rule {
-
- public final void begin(final String name, final Attributes attrs) {
- getCodeVisitor().visitLabel(getLabel(attrs.getValue("name")));
- }
- }
-
- /**
- * TryCatchRule
- */
- final class TryCatchRule extends Rule {
-
- public final void begin(final String name, final Attributes attrs) {
- Label start = getLabel(attrs.getValue("start"));
- Label end = getLabel(attrs.getValue("end"));
- Label handler = getLabel(attrs.getValue("handler"));
- String type = attrs.getValue("type");
- getCodeVisitor().visitTryCatchBlock(start, end, handler, type);
- }
- }
-
- /**
- * LineNumberRule
- */
- final class LineNumberRule extends Rule {
-
- public final void begin(final String name, final Attributes attrs) {
- int line = Integer.parseInt(attrs.getValue("line"));
- Label start = getLabel(attrs.getValue("start"));
- getCodeVisitor().visitLineNumber(line, start);
- }
- }
-
- /**
- * LocalVarRule
- */
- final class LocalVarRule extends Rule {
-
- public final void begin(final String element, final Attributes attrs) {
- String name = attrs.getValue("name");
- String desc = attrs.getValue("desc");
- String signature = attrs.getValue("signature");
- Label start = getLabel(attrs.getValue("start"));
- Label end = getLabel(attrs.getValue("end"));
- int var = Integer.parseInt(attrs.getValue("var"));
- getCodeVisitor().visitLocalVariable(name,
- desc,
- signature,
- start,
- end,
- var);
- }
- }
-
- /**
- * OpcodesRule
- */
- final class OpcodesRule extends Rule {
-
- // public boolean match( String match, String element) {
- // return match.startsWith( path) && OPCODES.containsKey( element);
- // }
-
- public final void begin(final String element, final Attributes attrs)
- throws SAXException
- {
- Opcode o = (Opcode) OPCODES.get(element);
- if (o == null) {
- throw new SAXException("Invalid element: " + element + " at "
- + match);
- }
-
- switch (o.type) {
- case OpcodeGroup.INSN:
- getCodeVisitor().visitInsn(o.opcode);
- break;
-
- case OpcodeGroup.INSN_FIELD:
- getCodeVisitor().visitFieldInsn(o.opcode,
- attrs.getValue("owner"),
- attrs.getValue("name"),
- attrs.getValue("desc"));
- break;
-
- case OpcodeGroup.INSN_INT:
- getCodeVisitor().visitIntInsn(o.opcode,
- Integer.parseInt(attrs.getValue("value")));
- break;
-
- case OpcodeGroup.INSN_JUMP:
- getCodeVisitor().visitJumpInsn(o.opcode,
- getLabel(attrs.getValue("label")));
- break;
-
- case OpcodeGroup.INSN_METHOD:
- getCodeVisitor().visitMethodInsn(o.opcode,
- (o.opcode != Opcodes.INVOKEDYNAMIC)?
- attrs.getValue("owner"):
- Opcodes.INVOKEDYNAMIC_OWNER,
- attrs.getValue("name"),
- attrs.getValue("desc"));
- break;
-
- case OpcodeGroup.INSN_TYPE:
- getCodeVisitor().visitTypeInsn(o.opcode,
- attrs.getValue("desc"));
- break;
-
- case OpcodeGroup.INSN_VAR:
- getCodeVisitor().visitVarInsn(o.opcode,
- Integer.parseInt(attrs.getValue("var")));
- break;
-
- case OpcodeGroup.INSN_IINC:
- getCodeVisitor().visitIincInsn(Integer.parseInt(attrs.getValue("var")),
- Integer.parseInt(attrs.getValue("inc")));
- break;
-
- case OpcodeGroup.INSN_LDC:
- getCodeVisitor().visitLdcInsn(getValue(attrs.getValue("desc"),
- attrs.getValue("cst")));
- break;
-
- case OpcodeGroup.INSN_MULTIANEWARRAY:
- getCodeVisitor().visitMultiANewArrayInsn(attrs.getValue("desc"),
- Integer.parseInt(attrs.getValue("dims")));
- break;
-
- default:
- throw new Error("Internal error");
-
- }
- }
- }
-
- /**
- * MaxRule
- */
- final class MaxRule extends Rule {
-
- public final void begin(final String element, final Attributes attrs) {
- int maxStack = Integer.parseInt(attrs.getValue("maxStack"));
- int maxLocals = Integer.parseInt(attrs.getValue("maxLocals"));
- getCodeVisitor().visitMaxs(maxStack, maxLocals);
- }
- }
-
- final class AnnotationRule extends Rule {
-
- public void begin(final String name, final Attributes attrs) {
- String desc = attrs.getValue("desc");
- boolean visible = Boolean.valueOf(attrs.getValue("visible"))
- .booleanValue();
-
- Object v = peek();
- if (v instanceof ClassVisitor) {
- push(((ClassVisitor) v).visitAnnotation(desc, visible));
- } else if (v instanceof FieldVisitor) {
- push(((FieldVisitor) v).visitAnnotation(desc, visible));
- } else if (v instanceof MethodVisitor) {
- push(((MethodVisitor) v).visitAnnotation(desc, visible));
- }
- }
-
- public void end(final String name) {
- AnnotationVisitor av = (AnnotationVisitor) pop();
- if (av != null) {
- av.visitEnd();
- }
- }
- }
-
- final class AnnotationParameterRule extends Rule {
-
- public void begin(final String name, final Attributes attrs) {
- int parameter = Integer.parseInt(attrs.getValue("parameter"));
- String desc = attrs.getValue("desc");
- boolean visible = Boolean.valueOf(attrs.getValue("visible"))
- .booleanValue();
-
- push(((MethodVisitor) peek()).visitParameterAnnotation(parameter,
- desc,
- visible));
- }
-
- public void end(final String name) {
- AnnotationVisitor av = (AnnotationVisitor) pop();
- if (av != null) {
- av.visitEnd();
- }
- }
- }
-
- final class AnnotationValueRule extends Rule {
-
- public void begin(final String nm, final Attributes attrs)
- throws SAXException
- {
- AnnotationVisitor av = (AnnotationVisitor) peek();
- if (av != null) {
- av.visit(attrs.getValue("name"),
- getValue(attrs.getValue("desc"),
- attrs.getValue("value")));
- }
- }
- }
-
- final class AnnotationValueEnumRule extends Rule {
-
- public void begin(final String nm, final Attributes attrs) {
- AnnotationVisitor av = (AnnotationVisitor) peek();
- if (av != null) {
- av.visitEnum(attrs.getValue("name"),
- attrs.getValue("desc"),
- attrs.getValue("value"));
- }
- }
- }
-
- final class AnnotationValueAnnotationRule extends Rule {
-
- public void begin(final String nm, final Attributes attrs) {
- AnnotationVisitor av = (AnnotationVisitor) peek();
- push(av == null ? null : av.visitAnnotation(attrs.getValue("name"),
- attrs.getValue("desc")));
- }
-
- public void end(final String name) {
- AnnotationVisitor av = (AnnotationVisitor) pop();
- if (av != null) {
- av.visitEnd();
- }
- }
- }
-
- final class AnnotationValueArrayRule extends Rule {
-
- public void begin(final String nm, final Attributes attrs) {
- AnnotationVisitor av = (AnnotationVisitor) peek();
- push(av == null ? null : av.visitArray(attrs.getValue("name")));
- }
-
- public void end(final String name) {
- AnnotationVisitor av = (AnnotationVisitor) pop();
- if (av != null) {
- av.visitEnd();
- }
- }
- }
-
- final class AnnotationDefaultRule extends Rule {
-
- public void begin(final String nm, final Attributes attrs) {
- MethodVisitor av = (MethodVisitor) peek();
- push(av == null ? null : av.visitAnnotationDefault());
- }
-
- public void end(final String name) {
- AnnotationVisitor av = (AnnotationVisitor) pop();
- if (av != null) {
- av.visitEnd();
- }
- }
- }
-
- /**
- * Opcode
- */
- static final class Opcode {
-
- public final int opcode;
-
- public final int type;
-
- Opcode(final int opcode, final int type) {
- this.opcode = opcode;
- this.type = type;
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/tapestry-5/blob/d6e5f413/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/xml/Processor.java
----------------------------------------------------------------------
diff --git a/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/xml/Processor.java b/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/xml/Processor.java
deleted file mode 100644
index 552ae3b..0000000
--- a/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/xml/Processor.java
+++ /dev/null
@@ -1,1073 +0,0 @@
-/***
- * ASM XML Adapter
- * Copyright (c) 2004, Eugene Kuleshov
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-package org.apache.tapestry5.internal.plastic.asm.xml;
-
-import java.io.BufferedOutputStream;
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.io.OutputStreamWriter;
-import java.io.Writer;
-import java.util.zip.ZipEntry;
-import java.util.zip.ZipInputStream;
-import java.util.zip.ZipOutputStream;
-
-import javax.xml.transform.Source;
-import javax.xml.transform.Templates;
-import javax.xml.transform.TransformerConfigurationException;
-import javax.xml.transform.TransformerException;
-import javax.xml.transform.TransformerFactory;
-import javax.xml.transform.sax.SAXResult;
-import javax.xml.transform.sax.SAXSource;
-import javax.xml.transform.sax.SAXTransformerFactory;
-import javax.xml.transform.sax.TransformerHandler;
-import javax.xml.transform.stream.StreamSource;
-
-import org.apache.tapestry5.internal.plastic.asm.ClassReader;
-
-import org.xml.sax.Attributes;
-import org.xml.sax.ContentHandler;
-import org.xml.sax.InputSource;
-import org.xml.sax.SAXException;
-import org.xml.sax.XMLReader;
-import org.xml.sax.ext.LexicalHandler;
-import org.xml.sax.helpers.AttributesImpl;
-import org.xml.sax.helpers.DefaultHandler;
-import org.xml.sax.helpers.XMLReaderFactory;
-
-/**
- * Processor is a command line tool that can be used for bytecode waving
- * directed by XSL transformation. <p> In order to use a concrete XSLT engine,
- * system property <tt>javax.xml.transform.TransformerFactory</tt> must be set
- * to one of the following values.
- *
- * <blockquote> <table border="1" cellspacing="0" cellpadding="3"> <tr> <td>jd.xslt</td>
- * <td>jd.xml.xslt.trax.TransformerFactoryImpl</td> </tr>
- *
- * <tr> <td>Saxon</td> <td>net.sf.saxon.TransformerFactoryImpl</td> </tr>
- *
- * <tr> <td>Caucho</td> <td>com.caucho.xsl.Xsl</td> </tr>
- *
- * <tr> <td>Xalan interpeter</td> <td>org.apache.xalan.processor.TransformerFactory</td>
- * </tr>
- *
- * <tr> <td>Xalan xsltc</td> <td>org.apache.xalan.xsltc.trax.TransformerFactoryImpl</td>
- * </tr> </table> </blockquote>
- *
- * @author Eugene Kuleshov
- */
-public class Processor {
-
- public static final int BYTECODE = 1;
-
- public static final int MULTI_XML = 2;
-
- public static final int SINGLE_XML = 3;
-
- private static final String SINGLE_XML_NAME = "classes.xml";
-
- private final int inRepresentation;
-
- private final int outRepresentation;
-
- private final InputStream input;
-
- private final OutputStream output;
-
- private final Source xslt;
-
- private final boolean computeMax;
-
- private int n = 0;
-
- public Processor(
- final int inRepresenation,
- final int outRepresentation,
- final InputStream input,
- final OutputStream output,
- final Source xslt)
- {
- this.inRepresentation = inRepresenation;
- this.outRepresentation = outRepresentation;
- this.input = input;
- this.output = output;
- this.xslt = xslt;
- this.computeMax = true;
- }
-
- public int process() throws TransformerException, IOException, SAXException
- {
- ZipInputStream zis = new ZipInputStream(input);
- final ZipOutputStream zos = new ZipOutputStream(output);
- final OutputStreamWriter osw = new OutputStreamWriter(zos);
-
- Thread.currentThread()
- .setContextClassLoader(getClass().getClassLoader());
-
- TransformerFactory tf = TransformerFactory.newInstance();
- if (!tf.getFeature(SAXSource.FEATURE)
- || !tf.getFeature(SAXResult.FEATURE))
- {
- return 0;
- }
-
- SAXTransformerFactory saxtf = (SAXTransformerFactory) tf;
- Templates templates = null;
- if (xslt != null) {
- templates = saxtf.newTemplates(xslt);
- }
-
- // configuring outHandlerFactory
- // ///////////////////////////////////////////////////////
-
- EntryElement entryElement = getEntryElement(zos);
-
- ContentHandler outDocHandler = null;
- switch (outRepresentation) {
- case BYTECODE:
- outDocHandler = new OutputSlicingHandler(new ASMContentHandlerFactory(zos,
- computeMax),
- entryElement,
- false);
- break;
-
- case MULTI_XML:
- outDocHandler = new OutputSlicingHandler(new SAXWriterFactory(osw,
- true),
- entryElement,
- true);
- break;
-
- case SINGLE_XML:
- ZipEntry outputEntry = new ZipEntry(SINGLE_XML_NAME);
- zos.putNextEntry(outputEntry);
- outDocHandler = new SAXWriter(osw, false);
- break;
-
- }
-
- // configuring inputDocHandlerFactory
- // /////////////////////////////////////////////////
- ContentHandler inDocHandler;
- if (templates == null) {
- inDocHandler = outDocHandler;
- } else {
- inDocHandler = new InputSlicingHandler("class",
- outDocHandler,
- new TransformerHandlerFactory(saxtf,
- templates,
- outDocHandler));
- }
- ContentHandlerFactory inDocHandlerFactory = new SubdocumentHandlerFactory(inDocHandler);
-
- if (inDocHandler != null && inRepresentation != SINGLE_XML) {
- inDocHandler.startDocument();
- inDocHandler.startElement("",
- "classes",
- "classes",
- new AttributesImpl());
- }
-
- int i = 0;
- ZipEntry ze;
- while ((ze = zis.getNextEntry()) != null) {
- update(ze.getName(), n++);
- if (isClassEntry(ze)) {
- processEntry(zis, ze, inDocHandlerFactory);
- } else {
- OutputStream os = entryElement.openEntry(getName(ze));
- copyEntry(zis, os);
- entryElement.closeEntry();
- }
-
- i++;
- }
-
- if (inDocHandler != null && inRepresentation != SINGLE_XML) {
- inDocHandler.endElement("", "classes", "classes");
- inDocHandler.endDocument();
- }
-
- if (outRepresentation == SINGLE_XML) {
- zos.closeEntry();
- }
- zos.flush();
- zos.close();
-
- return i;
- }
-
- private void copyEntry(final InputStream is, final OutputStream os)
- throws IOException
- {
- if (outRepresentation == SINGLE_XML) {
- return;
- }
-
- byte[] buff = new byte[2048];
- int i;
- while ((i = is.read(buff)) != -1) {
- os.write(buff, 0, i);
- }
- }
-
- private boolean isClassEntry(final ZipEntry ze) {
- String name = ze.getName();
- return inRepresentation == SINGLE_XML && name.equals(SINGLE_XML_NAME)
- || name.endsWith(".class") || name.endsWith(".class.xml");
- }
-
- private void processEntry(
- final ZipInputStream zis,
- final ZipEntry ze,
- final ContentHandlerFactory handlerFactory)
- {
- ContentHandler handler = handlerFactory.createContentHandler();
- try {
-
- // if (CODE2ASM.equals(command)) { // read bytecode and process it
- // // with TraceClassVisitor
- // ClassReader cr = new ClassReader(readEntry(zis, ze));
- // cr.accept(new TraceClassVisitor(null, new PrintWriter(os)),
- // false);
- // }
-
- boolean singleInputDocument = inRepresentation == SINGLE_XML;
- if (inRepresentation == BYTECODE) { // read bytecode and process it
- // with handler
- ClassReader cr = new ClassReader(readEntry(zis, ze));
- cr.accept(new SAXClassAdapter(handler, singleInputDocument), 0);
-
- } else { // read XML and process it with handler
- XMLReader reader = XMLReaderFactory.createXMLReader();
- reader.setContentHandler(handler);
- reader.parse(new InputSource(singleInputDocument
- ? (InputStream) new ProtectedInputStream(zis)
- : new ByteArrayInputStream(readEntry(zis, ze))));
-
- }
- } catch (Exception ex) {
- update(ze.getName(), 0);
- update(ex, 0);
- }
- }
-
- private EntryElement getEntryElement(final ZipOutputStream zos) {
- if (outRepresentation == SINGLE_XML) {
- return new SingleDocElement(zos);
- }
- return new ZipEntryElement(zos);
- }
-
- // private ContentHandlerFactory getHandlerFactory(
- // OutputStream os,
- // SAXTransformerFactory saxtf,
- // Templates templates)
- // {
- // ContentHandlerFactory factory = null;
- // if (templates == null) {
- // if (outputRepresentation == BYTECODE) { // factory used to write
- // // bytecode
- // factory = new ASMContentHandlerFactory(os, computeMax);
- // } else { // factory used to write XML
- // factory = new SAXWriterFactory(os, true);
- // }
- // } else {
- // if (outputRepresentation == BYTECODE) { // factory used to transform
- // // and then write bytecode
- // factory = new ASMTransformerHandlerFactory(saxtf,
- // templates,
- // os,
- // computeMax);
- // } else { // factory used to transformand then write XML
- // factory = new TransformerHandlerFactory(saxtf,
- // templates,
- // os,
- // outputRepresentation == SINGLE_XML);
- // }
- // }
- // return factory;
- // }
-
- private String getName(final ZipEntry ze) {
- String name = ze.getName();
- if (isClassEntry(ze)) {
- if (inRepresentation != BYTECODE && outRepresentation == BYTECODE) {
- name = name.substring(0, name.length() - 4); // .class.xml to
- // .class
- } else if (inRepresentation == BYTECODE
- && outRepresentation != BYTECODE)
- {
- name += ".xml"; // .class to .class.xml
- }
- // } else if( CODE2ASM.equals( command)) {
- // name = name.substring( 0, name.length()-6).concat( ".asm");
- }
- return name;
- }
-
- private static byte[] readEntry(final InputStream zis, final ZipEntry ze)
- throws IOException
- {
- long size = ze.getSize();
- if (size > -1) {
- byte[] buff = new byte[(int) size];
- int k = 0;
- int n;
- while ((n = zis.read(buff, k, buff.length - k)) > 0) {
- k += n;
- }
- return buff;
- }
-
- ByteArrayOutputStream bos = new ByteArrayOutputStream();
- byte[] buff = new byte[4096];
- int i;
- while ((i = zis.read(buff)) != -1) {
- bos.write(buff, 0, i);
- }
- return bos.toByteArray();
- }
-
- /*
- * (non-Javadoc)
- *
- * @see java.util.Observer#update(java.util.Observable, java.lang.Object)
- */
- protected void update(final Object arg, final int n) {
- if (arg instanceof Throwable) {
- ((Throwable) arg).printStackTrace();
- } else {
- if (n % 100 == 0) {
- System.err.println(n + " " + arg);
- }
- }
- }
-
- public static void main(final String[] args) throws Exception {
- if (args.length < 2) {
- showUsage();
- return;
- }
-
- int inRepresentation = getRepresentation(args[0]);
- int outRepresentation = getRepresentation(args[1]);
-
- InputStream is = System.in;
- OutputStream os = new BufferedOutputStream(System.out);
-
- Source xslt = null;
- // boolean computeMax = true;
-
- for (int i = 2; i < args.length; i++) {
- if ("-in".equals(args[i])) {
- is = new FileInputStream(args[++i]);
-
- } else if ("-out".equals(args[i])) {
- os = new BufferedOutputStream(new FileOutputStream(args[++i]));
-
- } else if ("-xslt".equals(args[i])) {
- xslt = new StreamSource(new FileInputStream(args[++i]));
-
- // } else if( "-computemax".equals( args[ i].toLowerCase())) {
- // computeMax = true;
-
- } else {
- showUsage();
- return;
-
- }
- }
-
- if (inRepresentation == 0 || outRepresentation == 0) {
- showUsage();
- return;
- }
-
- Processor m = new Processor(inRepresentation,
- outRepresentation,
- is,
- os,
- xslt);
-
- long l1 = System.currentTimeMillis();
- int n = m.process();
- long l2 = System.currentTimeMillis();
- System.err.println(n);
- System.err.println((l2 - l1) + "ms " + 1000f * n / (l2 - l1)
- + " resources/sec");
- }
-
- private static int getRepresentation(final String s) {
- if ("code".equals(s)) {
- return BYTECODE;
- } else if ("xml".equals(s)) {
- return MULTI_XML;
- } else if ("singlexml".equals(s)) {
- return SINGLE_XML;
- }
- return 0;
- }
-
- private static void showUsage() {
- System.err.println("Usage: Main <in format> <out format> [-in <input jar>] [-out <output jar>] [-xslt <xslt fiel>]");
- System.err.println(" when -in or -out is omitted sysin and sysout would be used");
- System.err.println(" <in format> and <out format> - code | xml | singlexml");
- }
-
- /**
- * IputStream wrapper class used to protect input streams from being closed
- * by some stupid XML parsers.
- */
- private static final class ProtectedInputStream extends InputStream {
- private final InputStream is;
-
- ProtectedInputStream(final InputStream is) {
- this.is = is;
- }
-
- public final void close() throws IOException {
- }
-
- public final int read() throws IOException {
- return is.read();
- }
-
- public final int read(final byte[] b, final int off, final int len)
- throws IOException
- {
- return is.read(b, off, len);
- }
-
- public final int available() throws IOException {
- return is.available();
- }
- }
-
- /**
- * A {@link ContentHandlerFactory ContentHandlerFactory} is used to create
- * {@link org.xml.sax.ContentHandler ContentHandler} instances for concrete
- * context.
- */
- private static interface ContentHandlerFactory {
-
- /**
- * Creates an instance of the content handler.
- *
- * @return content handler
- */
- ContentHandler createContentHandler();
-
- }
-
- /**
- * SAXWriterFactory
- */
- private static final class SAXWriterFactory implements
- ContentHandlerFactory
- {
- private final Writer w;
-
- private final boolean optimizeEmptyElements;
-
- SAXWriterFactory(
- final Writer w,
- final boolean optimizeEmptyElements)
- {
- this.w = w;
- this.optimizeEmptyElements = optimizeEmptyElements;
- }
-
- public final ContentHandler createContentHandler() {
- return new SAXWriter(w, optimizeEmptyElements);
- }
-
- }
-
- /**
- * ASMContentHandlerFactory
- */
- private static final class ASMContentHandlerFactory implements
- ContentHandlerFactory
- {
- private OutputStream os;
-
- private final boolean computeMax;
-
- ASMContentHandlerFactory(
- final OutputStream os,
- final boolean computeMax)
- {
- this.os = os;
- this.computeMax = computeMax;
- }
-
- public final ContentHandler createContentHandler() {
- return new ASMContentHandler(os, computeMax);
- }
-
- }
-
- /**
- * TransformerHandlerFactory
- */
- private static final class TransformerHandlerFactory implements
- ContentHandlerFactory
- {
- private SAXTransformerFactory saxtf;
-
- private final Templates templates;
-
- private ContentHandler outputHandler;
-
- TransformerHandlerFactory(
- final SAXTransformerFactory saxtf,
- final Templates templates,
- final ContentHandler outputHandler)
- {
- this.saxtf = saxtf;
- this.templates = templates;
- this.outputHandler = outputHandler;
- }
-
- public final ContentHandler createContentHandler() {
- try {
- TransformerHandler handler = saxtf.newTransformerHandler(templates);
- handler.setResult(new SAXResult(outputHandler));
- return handler;
- } catch (TransformerConfigurationException ex) {
- throw new RuntimeException(ex.toString());
- }
- }
- }
-
- /**
- * SubdocumentHandlerFactory
- */
- private static final class SubdocumentHandlerFactory implements
- ContentHandlerFactory
- {
- private final ContentHandler subdocumentHandler;
-
- SubdocumentHandlerFactory(final ContentHandler subdocumentHandler)
- {
- this.subdocumentHandler = subdocumentHandler;
- }
-
- public final ContentHandler createContentHandler() {
- return subdocumentHandler;
- }
-
- }
-
- /**
- * A {@link org.xml.sax.ContentHandler ContentHandler} and
- * {@link org.xml.sax.ext.LexicalHandler LexicalHandler} that serializes XML
- * from SAX 2.0 events into {@link java.io.Writer Writer}.
- *
- * <i><blockquote> This implementation does not support namespaces, entity
- * definitions (uncluding DTD), CDATA and text elements. </blockquote></i>
- */
- private static final class SAXWriter extends DefaultHandler implements
- LexicalHandler
- {
- private static final char[] OFF = " ".toCharArray();
-
- private Writer w;
-
- private final boolean optimizeEmptyElements;
-
- private boolean openElement = false;
-
- private int ident = 0;
-
- /**
- * Creates <code>SAXWriter</code>.
- *
- * @param w writer
- * @param optimizeEmptyElements if set to <code>true</code>, short
- * XML syntax will be used for empty elements
- */
- SAXWriter(final Writer w, final boolean optimizeEmptyElements) {
- this.w = w;
- this.optimizeEmptyElements = optimizeEmptyElements;
- }
-
- public final void startElement(
- final String ns,
- final String localName,
- final String qName,
- final Attributes atts) throws SAXException
- {
- try {
- closeElement();
-
- writeIdent();
- w.write('<' + qName);
- if (atts != null && atts.getLength() > 0) {
- writeAttributes(atts);
- }
-
- if (optimizeEmptyElements) {
- openElement = true;
- } else {
- w.write(">\n");
- }
- ident += 2;
-
- } catch (IOException ex) {
- throw new SAXException(ex);
-
- }
- }
-
- public final void endElement(
- final String ns,
- final String localName,
- final String qName) throws SAXException
- {
- ident -= 2;
- try {
- if (openElement) {
- w.write("/>\n");
- openElement = false;
- } else {
- writeIdent();
- w.write("</" + qName + ">\n");
- }
-
- } catch (IOException ex) {
- throw new SAXException(ex);
-
- }
- }
-
- public final void endDocument() throws SAXException {
- try {
- w.flush();
-
- } catch (IOException ex) {
- throw new SAXException(ex);
-
- }
- }
-
- public final void comment(final char[] ch, final int off, final int len)
- throws SAXException
- {
- try {
- closeElement();
-
- writeIdent();
- w.write("<!-- ");
- w.write(ch, off, len);
- w.write(" -->\n");
-
- } catch (IOException ex) {
- throw new SAXException(ex);
-
- }
- }
-
- public final void startDTD(
- final String arg0,
- final String arg1,
- final String arg2) throws SAXException
- {
- }
-
- public final void endDTD() throws SAXException {
- }
-
- public final void startEntity(final String arg0) throws SAXException {
- }
-
- public final void endEntity(final String arg0) throws SAXException {
- }
-
- public final void startCDATA() throws SAXException {
- }
-
- public final void endCDATA() throws SAXException {
- }
-
- private final void writeAttributes(final Attributes atts)
- throws IOException
- {
- StringBuffer sb = new StringBuffer();
- int len = atts.getLength();
- for (int i = 0; i < len; i++) {
- sb.append(' ')
- .append(atts.getLocalName(i))
- .append("=\"")
- .append(esc(atts.getValue(i)))
- .append('\"');
- }
- w.write(sb.toString());
- }
-
- /**
- * Encode string with escaping.
- *
- * @param str string to encode.
- * @return encoded string
- */
- private static final String esc(final String str) {
- StringBuffer sb = new StringBuffer(str.length());
- for (int i = 0; i < str.length(); i++) {
- char ch = str.charAt(i);
- switch (ch) {
- case '&':
- sb.append("&");
- break;
-
- case '<':
- sb.append("<");
- break;
-
- case '>':
- sb.append(">");
- break;
-
- case '\"':
- sb.append(""");
- break;
-
- default:
- if (ch > 0x7f) {
- sb.append("&#")
- .append(Integer.toString(ch))
- .append(';');
- } else {
- sb.append(ch);
- }
-
- }
- }
- return sb.toString();
- }
-
- private final void writeIdent() throws IOException {
- int n = ident;
- while (n > 0) {
- if (n > OFF.length) {
- w.write(OFF);
- n -= OFF.length;
- } else {
- w.write(OFF, 0, n);
- n = 0;
- }
- }
- }
-
- private final void closeElement() throws IOException {
- if (openElement) {
- w.write(">\n");
- }
- openElement = false;
- }
-
- }
-
- /**
- * A {@link org.xml.sax.ContentHandler ContentHandler} that splits XML
- * documents into smaller chunks. Each chunk is processed by the nested
- * {@link org.xml.sax.ContentHandler ContentHandler} obtained from
- * {@link java.net.ContentHandlerFactory ContentHandlerFactory}. This is
- * useful for running XSLT engine against large XML document that will
- * hardly fit into the memory all together. <p> TODO use complete path for
- * subdocumentRoot
- */
- private static final class InputSlicingHandler extends DefaultHandler {
- private String subdocumentRoot;
-
- private final ContentHandler rootHandler;
-
- private ContentHandlerFactory subdocumentHandlerFactory;
-
- private boolean subdocument = false;
-
- private ContentHandler subdocumentHandler;
-
- /**
- * Constructs a new {@link InputSlicingHandler SubdocumentHandler}
- * object.
- *
- * @param subdocumentRoot name/path to the root element of the
- * subdocument
- * @param rootHandler content handler for the entire document
- * (subdocument envelope).
- * @param subdocumentHandlerFactory a
- * {@link ContentHandlerFactory ContentHandlerFactory} used to
- * create {@link ContentHandler ContentHandler} instances for
- * subdocuments.
- */
- InputSlicingHandler(
- final String subdocumentRoot,
- final ContentHandler rootHandler,
- final ContentHandlerFactory subdocumentHandlerFactory)
- {
- this.subdocumentRoot = subdocumentRoot;
- this.rootHandler = rootHandler;
- this.subdocumentHandlerFactory = subdocumentHandlerFactory;
- }
-
- public final void startElement(
- final String namespaceURI,
- final String localName,
- final String qName,
- final Attributes list) throws SAXException
- {
- if (subdocument) {
- subdocumentHandler.startElement(namespaceURI,
- localName,
- qName,
- list);
- } else if (localName.equals(subdocumentRoot)) {
- subdocumentHandler = subdocumentHandlerFactory.createContentHandler();
- subdocumentHandler.startDocument();
- subdocumentHandler.startElement(namespaceURI,
- localName,
- qName,
- list);
- subdocument = true;
- } else if (rootHandler != null) {
- rootHandler.startElement(namespaceURI, localName, qName, list);
- }
- }
-
- public final void endElement(
- final String namespaceURI,
- final String localName,
- final String qName) throws SAXException
- {
- if (subdocument) {
- subdocumentHandler.endElement(namespaceURI, localName, qName);
- if (localName.equals(subdocumentRoot)) {
- subdocumentHandler.endDocument();
- subdocument = false;
- }
- } else if (rootHandler != null) {
- rootHandler.endElement(namespaceURI, localName, qName);
- }
- }
-
- public final void startDocument() throws SAXException {
- if (rootHandler != null) {
- rootHandler.startDocument();
- }
- }
-
- public final void endDocument() throws SAXException {
- if (rootHandler != null) {
- rootHandler.endDocument();
-
- }
- }
-
- public final void characters(
- final char[] buff,
- final int offset,
- final int size) throws SAXException
- {
- if (subdocument) {
- subdocumentHandler.characters(buff, offset, size);
- } else if (rootHandler != null) {
- rootHandler.characters(buff, offset, size);
- }
- }
-
- }
-
- /**
- * A {@link org.xml.sax.ContentHandler ContentHandler} that splits XML
- * documents into smaller chunks. Each chunk is processed by the nested
- * {@link org.xml.sax.ContentHandler ContentHandler} obtained from
- * {@link java.net.ContentHandlerFactory ContentHandlerFactory}. This is
- * useful for running XSLT engine against large XML document that will
- * hardly fit into the memory all together.
- *
- * <p> TODO use complete path for subdocumentRoot
- */
- private static final class OutputSlicingHandler extends DefaultHandler {
- private final String subdocumentRoot;
-
- private ContentHandlerFactory subdocumentHandlerFactory;
-
- private final EntryElement entryElement;
-
- private boolean isXml;
-
- private boolean subdocument = false;
-
- private ContentHandler subdocumentHandler;
-
- /**
- * Constructs a new {@link OutputSlicingHandler SubdocumentHandler}
- * object.
- *
- * @param subdocumentHandlerFactory a
- * {@link ContentHandlerFactory ContentHandlerFactory} used to
- * create {@link ContentHandler ContentHandler} instances for
- * subdocuments.
- * @param entryElement TODO.
- * @param isXml TODO.
- */
- OutputSlicingHandler(
- final ContentHandlerFactory subdocumentHandlerFactory,
- final EntryElement entryElement,
- final boolean isXml)
- {
- this.subdocumentRoot = "class";
- this.subdocumentHandlerFactory = subdocumentHandlerFactory;
- this.entryElement = entryElement;
- this.isXml = isXml;
- }
-
- public final void startElement(
- final String namespaceURI,
- final String localName,
- final String qName,
- final Attributes list) throws SAXException
- {
- if (subdocument) {
- subdocumentHandler.startElement(namespaceURI,
- localName,
- qName,
- list);
- } else if (localName.equals(subdocumentRoot)) {
- String name = list.getValue("name");
- if (name == null || name.length() == 0) {
- throw new SAXException("Class element without name attribute.");
- }
- try {
- entryElement.openEntry(isXml
- ? name + ".class.xml"
- : name + ".class");
- } catch (IOException ex) {
- throw new SAXException(ex.toString(), ex);
- }
- subdocumentHandler = subdocumentHandlerFactory.createContentHandler();
- subdocumentHandler.startDocument();
- subdocumentHandler.startElement(namespaceURI,
- localName,
- qName,
- list);
- subdocument = true;
- }
- }
-
- public final void endElement(
- final String namespaceURI,
- final String localName,
- final String qName) throws SAXException
- {
- if (subdocument) {
- subdocumentHandler.endElement(namespaceURI, localName, qName);
- if (localName.equals(subdocumentRoot)) {
- subdocumentHandler.endDocument();
- subdocument = false;
- try {
- entryElement.closeEntry();
- } catch (IOException ex) {
- throw new SAXException(ex.toString(), ex);
- }
- }
- }
- }
-
- public final void startDocument() throws SAXException {
- }
-
- public final void endDocument() throws SAXException {
- }
-
- public final void characters(
- final char[] buff,
- final int offset,
- final int size) throws SAXException
- {
- if (subdocument) {
- subdocumentHandler.characters(buff, offset, size);
- }
- }
-
- }
-
- private static interface EntryElement {
-
- OutputStream openEntry(String name) throws IOException;
-
- void closeEntry() throws IOException;
-
- }
-
- private static final class SingleDocElement implements EntryElement {
- private final OutputStream os;
-
- SingleDocElement(final OutputStream os) {
- this.os = os;
- }
-
- public OutputStream openEntry(final String name) throws IOException {
- return os;
- }
-
- public void closeEntry() throws IOException {
- os.flush();
- }
-
- }
-
- private static final class ZipEntryElement implements EntryElement {
- private ZipOutputStream zos;
-
- ZipEntryElement(final ZipOutputStream zos) {
- this.zos = zos;
- }
-
- public OutputStream openEntry(final String name) throws IOException {
- ZipEntry entry = new ZipEntry(name);
- zos.putNextEntry(entry);
- return zos;
- }
-
- public void closeEntry() throws IOException {
- zos.flush();
- zos.closeEntry();
- }
-
- }
-
-}
http://git-wip-us.apache.org/repos/asf/tapestry-5/blob/d6e5f413/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/xml/SAXAdapter.java
----------------------------------------------------------------------
diff --git a/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/xml/SAXAdapter.java b/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/xml/SAXAdapter.java
deleted file mode 100644
index f9cb9fc..0000000
--- a/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/xml/SAXAdapter.java
+++ /dev/null
@@ -1,94 +0,0 @@
-/***
- * ASM XML Adapter
- * Copyright (c) 2004, Eugene Kuleshov
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-package org.apache.tapestry5.internal.plastic.asm.xml;
-
-import org.apache.tapestry5.internal.plastic.asm.Attribute;
-import org.xml.sax.Attributes;
-import org.xml.sax.ContentHandler;
-import org.xml.sax.SAXException;
-
-/**
- * SAXAdapter
- *
- * @author Eugene Kuleshov
- */
-public abstract class SAXAdapter {
-
- private final ContentHandler h;
-
- protected SAXAdapter(final ContentHandler h) {
- this.h = h;
- }
-
- protected ContentHandler getContentHandler() {
- return h;
- }
-
- protected void addDocumentStart() {
- try {
- h.startDocument();
- } catch (SAXException ex) {
- throw new RuntimeException(ex.getException());
- }
- }
-
- protected void addDocumentEnd() {
- try {
- h.endDocument();
- } catch (SAXException ex) {
- throw new RuntimeException(ex.toString());
- }
- }
-
- protected final void addStart(final String name, final Attributes attrs) {
- try {
- h.startElement("", name, name, attrs);
- } catch (SAXException ex) {
- throw new RuntimeException(ex.toString());
- }
- }
-
- protected final void addEnd(final String name) {
- try {
- h.endElement("", name, name);
- } catch (SAXException ex) {
- throw new RuntimeException(ex.toString());
- }
- }
-
- protected final void addElement(final String name, final Attributes attrs) {
- addStart(name, attrs);
- addEnd(name);
- }
-
- public void visitAttribute(final Attribute attr) {
- // nothing to do
- }
-}