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X-definition 4.2 (Open Source Software)
package org.xdef.impl;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Method;
import org.xdef.XDContainer;
import org.xdef.XDNamedValue;
import org.xdef.XDParser;
import org.xdef.XDValue;
import static org.xdef.XDValueID.XD_ANYURI;
import static org.xdef.XDValueID.XD_BIGINTEGER;
import static org.xdef.XDValueID.XD_BNFGRAMMAR;
import static org.xdef.XDValueID.XD_BNFRULE;
import static org.xdef.XDValueID.XD_BOOLEAN;
import static org.xdef.XDValueID.XD_BYTES;
import static org.xdef.XDValueID.XD_CONTAINER;
import static org.xdef.XDValueID.XD_DATETIME;
import static org.xdef.XDValueID.XD_DECIMAL;
import static org.xdef.XDValueID.XD_DOUBLE;
import static org.xdef.XDValueID.XD_DURATION;
import static org.xdef.XDValueID.XD_ELEMENT;
import static org.xdef.XDValueID.XD_EMAIL;
import static org.xdef.XDValueID.XD_EXCEPTION;
import static org.xdef.XDValueID.XD_GPSPOSITION;
import static org.xdef.XDValueID.XD_LOCALE;
import static org.xdef.XDValueID.XD_LONG;
import static org.xdef.XDValueID.XD_NAMEDVALUE;
import static org.xdef.XDValueID.XD_NULL;
import static org.xdef.XDValueID.XD_OBJECT;
import static org.xdef.XDValueID.XD_OUTPUT;
import static org.xdef.XDValueID.XD_PARSER;
import static org.xdef.XDValueID.XD_PARSERESULT;
import static org.xdef.XDValueID.XD_PRICE;
import static org.xdef.XDValueID.XD_REGEX;
import static org.xdef.XDValueID.XD_RESULTSET;
import static org.xdef.XDValueID.XD_SERVICE;
import static org.xdef.XDValueID.XD_STATEMENT;
import static org.xdef.XDValueID.XD_STRING;
import static org.xdef.XDValueID.XD_UNIQUESET_KEY;
import static org.xdef.XDValueID.XD_XPATH;
import static org.xdef.XDValueID.XD_XQUERY;
import static org.xdef.XDValueID.X_PARSEITEM;
import static org.xdef.XDValueID.X_UNIQUESET;
import static org.xdef.XDValueID.X_UNIQUESET_M;
import static org.xdef.impl.XDWriter.ID_CODEEXT;
import static org.xdef.impl.XDWriter.ID_CODEI1;
import static org.xdef.impl.XDWriter.ID_CODEI2;
import static org.xdef.impl.XDWriter.ID_CODEL2;
import static org.xdef.impl.XDWriter.ID_CODEOP;
import static org.xdef.impl.XDWriter.ID_CODEPARSER;
import static org.xdef.impl.XDWriter.ID_CODES1;
import static org.xdef.impl.XDWriter.ID_CODESLIST;
import static org.xdef.impl.XDWriter.ID_CODESWTABI;
import static org.xdef.impl.XDWriter.ID_CODESWTABS;
import static org.xdef.impl.XDWriter.ID_CODEXD;
import org.xdef.impl.code.CodeExtMethod;
import org.xdef.impl.code.CodeI1;
import org.xdef.impl.code.CodeI2;
import org.xdef.impl.code.CodeL2;
import org.xdef.impl.code.CodeOp;
import org.xdef.impl.code.CodeParser;
import org.xdef.impl.code.CodeS1;
import org.xdef.impl.code.CodeSWTableInt;
import org.xdef.impl.code.CodeSWTableStr;
import org.xdef.impl.code.CodeStringList;
import static org.xdef.impl.code.CodeTable.COMPILE_BNF;
import static org.xdef.impl.code.CodeTable.COMPILE_XPATH;
import static org.xdef.impl.code.CodeTable.LD_CONST;
import org.xdef.impl.code.CodeUniqueset;
import org.xdef.impl.code.CodeXD;
import org.xdef.impl.code.DefBNFGrammar;
import org.xdef.impl.code.DefBNFRule;
import org.xdef.impl.code.DefBigInteger;
import org.xdef.impl.code.DefBoolean;
import org.xdef.impl.code.DefBytes;
import org.xdef.impl.code.DefContainer;
import org.xdef.impl.code.DefDate;
import org.xdef.impl.code.DefDecimal;
import org.xdef.impl.code.DefDouble;
import org.xdef.impl.code.DefDuration;
import org.xdef.impl.code.DefElement;
import org.xdef.impl.code.DefEmailAddr;
import org.xdef.impl.code.DefException;
import org.xdef.impl.code.DefGPSPosition;
import org.xdef.impl.code.DefLocale;
import org.xdef.impl.code.DefLong;
import org.xdef.impl.code.DefNamedValue;
import org.xdef.impl.code.DefNull;
import org.xdef.impl.code.DefObject;
import org.xdef.impl.code.DefOutStream;
import org.xdef.impl.code.DefParseResult;
import org.xdef.impl.code.DefPrice;
import org.xdef.impl.code.DefRegex;
import org.xdef.impl.code.DefSQLResultSet;
import org.xdef.impl.code.DefSQLService;
import org.xdef.impl.code.DefSQLStatement;
import org.xdef.impl.code.DefString;
import org.xdef.impl.code.DefURI;
import org.xdef.impl.code.DefXPathExpr;
import org.xdef.impl.code.DefXQueryExpr;
import org.xdef.impl.code.ParseItem;
import static org.xdef.impl.compile.CompileBase.getParser;
import org.xdef.impl.xml.KNamespace;
import org.xdef.msg.SYS;
import org.xdef.sys.GPSPosition;
import org.xdef.sys.Price;
import org.xdef.sys.SDatetime;
import org.xdef.sys.SDuration;
import org.xdef.sys.SException;
import org.xdef.sys.SIOException;
import org.xdef.sys.SObjectReader;
/** Provides reading of XD objects from InputStream.
* @author Vaclav Trojan
*/
public final class XDReader extends SObjectReader {
/** Creates a new instance of XDReader.
* @param in Input stream with data of XD objects
*/
public XDReader(InputStream in) {super(in);}
private static Class getClassForName(final String name)
throws IOException {
switch(name) { //first check primitive type names
case "boolean": return java.lang.Boolean.TYPE;
case "byte": return java.lang.Byte.TYPE;
case "short": return java.lang.Short.TYPE;
case "int": return java.lang.Integer.TYPE;
case "long": return java.lang.Long.TYPE;
case "char": return java.lang.Character.TYPE;
case "float": return java.lang.Float.TYPE;
case "double": return java.lang.Double.TYPE;
}
try { //return class
return Class.forName(name, false,
Thread.currentThread().getContextClassLoader());
} catch (ClassNotFoundException ex) {
//Internal error&{0}{: }
throw new SIOException(SYS.SYS066,"Class not found: "+name+"; "+ex);
}
}
private XDValue readBNF() throws IOException {
int extVar = readInt();
String source = readString();
if (extVar == -1) {
return new DefBNFGrammar(source, null);
}
DefBNFGrammar y = new DefBNFGrammar();
y.setParam(extVar);
y.setSource(source);
return y;
}
private XDValue readXPath() throws IOException {
int len = readLength();
KNamespace nc = new KNamespace();
if (len > 0) {
for (int i = 0; i < len; i++) {
String prefix = readString();
String uri = readString();
if (!prefix.startsWith("xml")) {
nc.setPrefix(prefix, uri);
}
}
}
String xpath = readString();
return new DefXPathExpr(xpath, nc, null, null);
}
/** Read XD object.
* @return the XD object constructed from input stream.
* @throws IOException if an error occurs.
*/
public final XDValue readXD() throws IOException {
short code = readShort();
if (code < 0) {
if (code == -1) {
return null;
}
//Internal error&{}{: }
throw new SIOException(SYS.SYS066, "Illegal code: " + code);
}
short type = readShort();
switch (code) {
case COMPILE_BNF:
return readBNF();
case COMPILE_XPATH:
return readXPath();
case LD_CONST: {
switch (type) {
case XD_BNFGRAMMAR:
return readBNF();
case XD_BNFRULE:
readString(); // ???
return new DefBNFRule(null);
case XD_BOOLEAN:
return new DefBoolean(readBoolean());
case XD_BYTES:
return new DefBytes(readBytes(), readBoolean());
case XD_DATETIME: {
SDatetime x = readSDatetime();
return x == null ? new DefDate() : new DefDate(x);
}
case XD_DECIMAL:
return new DefDecimal(readBigDecimal());
case XD_BIGINTEGER:
return new DefBigInteger(readBigInteger());
case XD_DURATION: {
SDuration x = readSDuration();
return x==null ? new DefDuration() : new DefDuration(x);
}
case XD_ANYURI:
return new DefURI(readString());
case XD_EMAIL:
return new DefEmailAddr(readString());
case XD_ELEMENT:
return new DefElement();
case XD_EXCEPTION:
return new DefException(readReport(),
readString(), readInt());
case XD_DOUBLE:
return new DefDouble(readDouble());
case XD_LONG:
return new DefLong(readLong());
case XD_CONTAINER: {
int len = readInt();
if (len == -1) {
return new DefContainer((Object) null);
}
DefContainer y = new DefContainer();
for (int i = 0; i < len; i++) {
y.addXDItem(readXD());
}
len = readLength();
for (int i = 0; i < len; i++) {
y.setXDNamedItem((XDNamedValue) readXD());
}
return y;
}
case XD_GPSPOSITION:
return new DefGPSPosition(new GPSPosition(readDouble(),
readDouble(), readDouble(), readString()));
case XD_PRICE:
return new DefPrice(
new Price(readBigDecimal(), readString()));
case XD_LOCALE: {
return new DefLocale(
readString(), readString(), readString());
}
case XD_NAMEDVALUE:
return new DefNamedValue(readString(), readXD());
case XD_OBJECT:
return new DefObject();
case XD_OUTPUT:
return new DefOutStream();
case XD_PARSERESULT: {
DefParseResult y = new DefParseResult();
String s = readString();
if (s != null) {
y.setSourceBuffer(s);
}
XDValue v = readXD();
if (v != null) {
y.setParsedValue(v);
}
return y;
}
case XD_PARSER: {//STRING_PARSER
String declaredName = readString();
String name = readString();
if (declaredName == null && name == null) {
return new DefNull(XD_PARSER);
}
XDContainer pars = (XDContainer) readXD();
XDParser y = getParser(name);
try {
y.setNamedParams(null, pars);
} catch (SException ex) {
throw new SIOException(ex.getReport());
}
y.setDeclaredName(declaredName);
return y;
}
case XD_REGEX:
return new DefRegex(readString());
case XD_STRING:
return new DefString(readString());
case XD_XQUERY: {
return new DefXQueryExpr(readString());
}
case XD_XPATH:
return readXPath();
case X_UNIQUESET:
case X_UNIQUESET_M: {
int len = readLength();
ParseItem[] keys = new ParseItem[len];
if (len > 0) {
for (int i = 0; i < len; i++) {
keys[i] = new ParseItem(readString(), //key name
readString(), // reference type name
readInt(), // address of validation method
readInt(), // key index
readShort(), // parsed type
readBoolean()); // optional flag
}
}
len = readLength();
String[] varNames = new String[len];
if (len > 0) {
for (int i = 0; i < len; i++) {
varNames[i] = readString();
}
}
return new CodeUniqueset(keys, varNames, readString());
}
case XD_SERVICE: return new DefSQLService();
case XD_STATEMENT: return new DefSQLStatement();
case XD_RESULTSET: return new DefSQLResultSet();
case XD_UNIQUESET_KEY:
case X_PARSEITEM: // TODO ???
case XD_NULL: return new DefNull(type);
default:
//Internal error&{0}{: }
throw new SIOException(SYS.SYS066,
"Illegal type: "+type);
}
}
default: {
// 01ILSXMPVWT
byte c = readByte();
switch (c) {
case ID_CODEOP: return new CodeOp(type, code);
case ID_CODEI1: return new CodeI1(type, code, readInt());
case ID_CODEI2:
return new CodeI2(type, code, readInt(), readInt());
case ID_CODEL2:
return new CodeL2(type, code, readInt(), readLong());
case ID_CODES1:
return new CodeS1(type, code, readInt(), readString());
case ID_CODEXD:
return new CodeXD(type, code, readInt(), readXD());
case ID_CODEEXT: {
int p1 = readInt();
String name = readString();
String methodName = readString();
String className = readString();
Class declaringClass = getClassForName(className);
int len = readLength();
Class[] pars = new Class[len];
for (int i = 0; i < len; i++) {
pars[i] = getClassForName(readString());
}
try {
Method method =
declaringClass.getMethod(methodName, pars);
return new CodeExtMethod(name,
type, code, p1, method);
} catch (NoSuchMethodException ex) {
//Internal error&{0}{: }
throw new SIOException(SYS.SYS066,
"No such method: "+name+"/"+methodName);
}
}
case ID_CODEPARSER: {
int p1 = readInt();
String name = readString();
int len = readInt();
String [] sqParamNames;
if (len < 0) {
sqParamNames = null;
} else {
sqParamNames = new String[len];
for (int i = 0; i < len; i++) {
sqParamNames[i] = readString();
}
}
return new CodeParser(type,//resultType,
code, p1, name, sqParamNames);
}
case ID_CODESLIST: {
int p1 = readInt();
String[] pars = new String[p1];
for (int i = 0; i < p1; i++) {
pars[i] = readString();
}
return new CodeStringList(type, code, pars);
}
case ID_CODESWTABI: {
CodeSWTableInt y = new CodeSWTableInt();
int p1 = readInt();
y.setParam(p1);
int len = readLength();
y._adrs = new int[len];
y._list = new long[len];
for (int i = 0; i < len; i++) {
y._adrs[i] = readInt();
y._list[i] = readLong();
}
return y;
}
case ID_CODESWTABS: {
CodeSWTableStr y = new CodeSWTableStr();
int p1 = readInt();
y.setParam(p1);
int len = readLength();
y._adrs = new int[len];
y._list = new String[len];
for (int i = 0; i < len; i++) {
y._adrs[i] = readInt();
y._list[i] = readString();
}
return y;
}
default:
//Internal error&{0}{: }
throw new SIOException(SYS.SYS066,
"Illegal ID:"+type+"/"+c);
}
}
}
}
}