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Util.javaAPI DocphoneME MR2 API (J2ME)6614Wed May 02 17:59:48 BST 2007jcc

Util

public class Util extends Object

Fields Summary
Constructors Summary
Methods Summary
public static java.lang.StringaccessToString(int access)

	String result = "";
        if ((access & Const.ACC_PUBLIC) != 0){
	    result += "public ";
	}
	if ((access & Const.ACC_PRIVATE) != 0){
	    result += "private ";
	}
	if ((access & Const.ACC_PROTECTED) != 0){
	    result += "protected ";
	}
	if ((access & Const.ACC_STATIC) != 0){
	    result += "static ";
	}
	if ((access & Const.ACC_TRANSIENT) != 0){
	    result += "transient ";
	}
	if ((access & Const.ACC_SYNCHRONIZED) != 0){
	    result += "synchronized ";
	}
	if ((access & Const.ACC_ABSTRACT) != 0){
	    result += "abstract ";
	}
	if ((access & Const.ACC_NATIVE) != 0){
	    result += "native ";
	}
	if ((access & Const.ACC_FINAL) != 0){
	    result += "final ";
	}
	if ((access & Const.ACC_VOLATILE) != 0){
	    result += "volatile ";
	}
	if ((access & Const.ACC_INTERFACE) != 0){
	    result += "interface ";
	}
	return result;
    
public static intargsSize(java.lang.String sig)

	int argsSize = 0;

	for (int pos = 0; sig.charAt(pos) != Const.SIGC_ENDMETHOD; pos++) {
	    switch (sig.charAt(pos)) {
	      case Const.SIGC_BOOLEAN:
	      case Const.SIGC_BYTE:
	      case Const.SIGC_CHAR:
	      case Const.SIGC_SHORT:
	      case Const.SIGC_INT:
	      case Const.SIGC_FLOAT:
		argsSize++;
		break;

	      case Const.SIGC_LONG:
	      case Const.SIGC_DOUBLE:
		argsSize += 2;
		break;

	      case Const.SIGC_CLASS:
		argsSize++;
		while (sig.charAt(pos) != Const.SIGC_ENDCLASS) {
		    pos++;
		}
		break;

	      case Const.SIGC_ARRAY:
		argsSize++;
		while (sig.charAt(pos) == Const.SIGC_ARRAY) {
		    pos++;
		}

		if (sig.charAt(pos) == Const.SIGC_CLASS) {
		    while (sig.charAt(pos) != Const.SIGC_ENDCLASS) {
			pos++;
		    }
		}
		break;

	      case Const.SIGC_METHOD:
		break;

	      default:
		System.err.println("Error: unparseable signature: " + sig);
		System.exit(3);
	    }

	}

	return argsSize;
    
public static java.lang.StringconvertToClassName(java.lang.String name)

	char chars[] = name.toCharArray();

	for (int i = 0; i < chars.length; i++) {
	    switch (chars[i]){
	    case '/":
	    case '.":
	    case '$":
		chars[i] = '_";
	    }
	}

	return String.valueOf(chars);
    
public static java.lang.StringconvertToJNIName(java.lang.String classname, java.lang.String methodname, java.lang.String typename)

 
	StringBuffer result = new StringBuffer("Java_");
	stringToJNI(result, classname);
	result.append('_");
	stringToJNI(result, methodname);
	if (typename != null) {
	    result.append("__");
	    // Only include the stuff inside the parentheses.
	    stringToJNI(result, typename.substring(1, typename.indexOf(')")));
	} 
	return result.toString();
    
public static java.lang.StringparseReturnType(java.lang.String sig)

	int pos = 0, len = sig.length();

	for (; pos < len && sig.charAt(pos) != Const.SIGC_ENDMETHOD; pos++);

	for (pos++; pos < len; pos++) {
	    switch (sig.charAt(pos)) {
	    case Const.SIGC_BOOLEAN:
		return "jboolean";
	    case Const.SIGC_BYTE:
		return "jbyte";
	    case Const.SIGC_CHAR:
		return "jchar";
	    case Const.SIGC_SHORT:
		return "jshort";
	    case Const.SIGC_INT:
		return "jint";
	    case Const.SIGC_FLOAT:
		return "jfloat";
	    case Const.SIGC_LONG:
		return "jlong";
	    case Const.SIGC_DOUBLE:
		return "jdouble";
	    case Const.SIGC_VOID:
		return "void";
	    case Const.SIGC_CLASS:
	    case Const.SIGC_ARRAY:
		return "jobject";
	    default:
		System.err.println("Error: unparseable signature: " + sig);
		System.exit(3);
	    }
	}
	// to make javac happy
	return null;
    
private static voidstringToJNI(java.lang.StringBuffer result, java.lang.String name)

 
	int length = name.length();
	for (int i = 0; i < length; i++) { 
	    char ch = name.charAt(i);
	    if (ch <= 0x7f && Character.isLetterOrDigit(ch)) {
		result.append(ch);
	    } else { 
		result.append('_");
		switch(ch) { 
		   case '/":  break; // the _ is all we need
		   case '_":  result.append('1"); break;
		   case ';":  result.append('2"); break;
		   case '[":  result.append('3"); break;
		   default: { 
		       // Adding 0x100000 to a 16-bit number forces 
		       // toHexString to produce a string of the form "10xxxx".
		       // Discard the initial "1" to get the right result.
		       String t = Integer.toHexString(ch + 0x100000);
		       result.append(t.substring(1));
		   }
		}
	    }
	}
    
public static java.lang.StringunicodeToUTF(java.lang.String in)

	int n = in.length();
	StringBuffer t = new StringBuffer( 3*n ); // conservative sizing.
	int nt = 0;
	for( int i = 0; i < n; i++ ){
	    char c = in.charAt(i);
	    if ( c == '\u0000" ){
		t.append('\u00c0");
		t.append('\u0080");
		nt+=2;
	    } else if ( c <= '\u007f" ){
		t.append(c);
		nt+=1;
	    } else if ( c <= '\u07ff" ){
		t.append((char)('\u00c0" | ( c>>6 )));
		t.append((char)('\u0080" | ( c&0x3f)));
		nt+=2;
	    } else {
		t.append((char)('\u00e0" | ( c>>12 )) );
		t.append((char)('\u0080" | ( (c>>6)&0x3f)) );
		t.append((char)('\u0080" | ( c&0x3f)) );
		nt+=3;
	    }
	}
	if ( nt == n ) return in;
	else return t.toString();