public class ASMContentHandler extends org.xml.sax.helpers.DefaultHandler implements Opcodes
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.SAXClassAdapter
,
Processor
Modifier and Type | Class and Description |
---|---|
protected class |
ASMContentHandler.Rule
Rule
|
Modifier and Type | Field and Description |
---|---|
protected boolean |
computeMax
true if the maximum stack size and number of local variables
must be automatically computed.
|
protected ClassWriter |
cw
Current instance of the
ClassWriter used to write
class bytecode. |
protected Map |
labels
Map of the active
Label instances for current method. |
protected OutputStream |
os
Output stream to write result bytecode.
|
AALOAD, AASTORE, ACC_ABSTRACT, ACC_ANNOTATION, ACC_BRIDGE, ACC_DEPRECATED, ACC_ENUM, ACC_FINAL, ACC_INTERFACE, ACC_NATIVE, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_STRICT, ACC_SUPER, ACC_SYNCHRONIZED, ACC_SYNTHETIC, ACC_TRANSIENT, ACC_VARARGS, ACC_VOLATILE, ACONST_NULL, ALOAD, ANEWARRAY, ARETURN, ARRAYLENGTH, ASTORE, ATHROW, BALOAD, BASTORE, BIPUSH, CALOAD, CASTORE, CHECKCAST, D2F, D2I, D2L, DADD, DALOAD, DASTORE, DCMPG, DCMPL, DCONST_0, DCONST_1, DDIV, DLOAD, DMUL, DNEG, DOUBLE, DREM, DRETURN, DSTORE, DSUB, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, F_APPEND, F_CHOP, F_FULL, F_NEW, F_SAME, F_SAME1, F2D, F2I, F2L, FADD, FALOAD, FASTORE, FCMPG, FCMPL, FCONST_0, FCONST_1, FCONST_2, FDIV, FLOAD, FLOAT, FMUL, FNEG, FREM, FRETURN, FSTORE, FSUB, GETFIELD, GETSTATIC, GOTO, I2B, I2C, I2D, I2F, I2L, I2S, IADD, IALOAD, IAND, IASTORE, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, ICONST_M1, IDIV, IF_ACMPEQ, IF_ACMPNE, IF_ICMPEQ, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ICMPLT, IF_ICMPNE, IFEQ, IFGE, IFGT, IFLE, IFLT, IFNE, IFNONNULL, IFNULL, IINC, ILOAD, IMUL, INEG, INSTANCEOF, INTEGER, INVOKEDYNAMIC, INVOKEDYNAMIC_OWNER, INVOKEINTERFACE, INVOKESPECIAL, INVOKESTATIC, INVOKEVIRTUAL, IOR, IREM, IRETURN, ISHL, ISHR, ISTORE, ISUB, IUSHR, IXOR, JSR, L2D, L2F, L2I, LADD, LALOAD, LAND, LASTORE, LCMP, LCONST_0, LCONST_1, LDC, LDIV, LLOAD, LMUL, LNEG, LONG, LOOKUPSWITCH, LOR, LREM, LRETURN, LSHL, LSHR, LSTORE, LSUB, LUSHR, LXOR, MONITORENTER, MONITOREXIT, MULTIANEWARRAY, NEW, NEWARRAY, NOP, NULL, POP, POP2, PUTFIELD, PUTSTATIC, RET, RETURN, SALOAD, SASTORE, SIPUSH, SWAP, T_BOOLEAN, T_BYTE, T_CHAR, T_DOUBLE, T_FLOAT, T_INT, T_LONG, T_SHORT, TABLESWITCH, TOP, UNINITIALIZED_THIS, V1_1, V1_2, V1_3, V1_4, V1_5, V1_6, V1_7
Constructor and Description |
---|
ASMContentHandler(OutputStream os,
boolean computeMax)
Constructs a new
ASMContentHandler object. |
Modifier and Type | Method and Description |
---|---|
void |
endDocument()
Process notification of the end of a document and write generated
bytecode into output stream.
|
void |
endElement(String ns,
String lName,
String qName)
Process notification of the end of an XML element being reached.
|
void |
startElement(String ns,
String lName,
String qName,
Attributes list)
Process notification of the start of an XML element being reached.
|
byte[] |
toByteArray()
Returns the bytecode of the class that was build with underneath class
writer.
|
characters, endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, setDocumentLocator, skippedEntity, startDocument, startPrefixMapping, unparsedEntityDecl, warning
protected boolean computeMax
protected OutputStream os
protected ClassWriter cw
ClassWriter
used to write
class bytecode.public ASMContentHandler(OutputStream os, boolean computeMax)
ASMContentHandler
object.os
- output stream to write generated class.computeMax
- true if the maximum stack size and the
maximum number of local variables must be automatically computed.
This value is passed to ClassWriter
instance.public byte[] toByteArray()
public final void startElement(String ns, String lName, String qName, Attributes list) throws SAXException
startElement
in interface ContentHandler
startElement
in class org.xml.sax.helpers.DefaultHandler
ns
- - The Namespace URI, or the empty string if the element has no
Namespace URI or if Namespace processing is not being performed.lName
- - The local name (without prefix), or the empty string if
Namespace processing is not being performed.qName
- - The qualified name (with prefix), or the empty string if
qualified names are not available.list
- - The attributes attached to the element. If there are no
attributes, it shall be an empty Attributes object.SAXException
- if a parsing error is to be reportedpublic final void endElement(String ns, String lName, String qName) throws SAXException
endElement
in interface ContentHandler
endElement
in class org.xml.sax.helpers.DefaultHandler
ns
- - The Namespace URI, or the empty string if the element has no
Namespace URI or if Namespace processing is not being performed.lName
- - The local name (without prefix), or the empty string if
Namespace processing is not being performed.qName
- - The qualified XML 1.0 name (with prefix), or the empty
string if qualified names are not available.SAXException
- if a parsing error is to be reportedpublic final void endDocument() throws SAXException
endDocument
in interface ContentHandler
endDocument
in class org.xml.sax.helpers.DefaultHandler
SAXException
- if parsing or writing error is to be reported.