本文整理了Java中org.mozilla.javascript.Context.getUndefinedValue()
方法的一些代码示例,展示了Context.getUndefinedValue()
的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。Context.getUndefinedValue()
方法的具体详情如下:
包路径:org.mozilla.javascript.Context
类名称:Context
方法名:getUndefinedValue
[英]Get the singleton object that represents the JavaScript Undefined value.
[中]获取表示JavaScript未定义值的singleton对象。
代码示例来源:origin: pentaho/pentaho-kettle
private static boolean isUndefined( Object[] ArgList, int[] iArrToCheck ) {
for ( int i = 0; i < iArrToCheck.length; i++ ) {
if ( ArgList[iArrToCheck[i]].equals( Context.getUndefinedValue() ) ) {
return true;
}
}
return false;
}
代码示例来源:origin: facebook/stetho
public JsRuntimeReplFactoryBuilder(@NonNull android.content.Context context) {
mContext = context;
// We import the app's package name by default
mPackages.add(context.getPackageName());
// Predefine $_ which holds the value of the last expression evaluated
mVariables.put("$_", Context.getUndefinedValue());
}
代码示例来源:origin: pentaho/pentaho-kettle
public static Object isRegExp( Context actualContext, Scriptable actualObject, Object[] ArgList,
Function FunctionContext ) {
if ( ArgList.length >= 2 ) {
if ( isNull( ArgList, new int[] { 0, 1 } ) ) {
return null;
} else if ( isUndefined( ArgList, new int[] { 0, 1 } ) ) {
return Context.getUndefinedValue();
}
String strToMatch = Context.toString( ArgList[0] );
for ( int i = 1; i < ArgList.length; i++ ) {
Pattern p = Pattern.compile( Context.toString( ArgList[i] ) );
Matcher m = p.matcher( strToMatch );
if ( m.matches() ) {
return new Double( i );
}
}
}
return new Double( -1 );
}
代码示例来源:origin: pentaho/pentaho-kettle
public static Object week( Context actualContext, Scriptable actualObject, Object[] ArgList,
Function FunctionContext ) {
try {
if ( ArgList.length == 1 ) {
if ( isNull( ArgList[0] ) ) {
return new Double( Double.NaN );
} else if ( isUndefined( ArgList[0] ) ) {
return Context.getUndefinedValue();
}
java.util.Date dArg1 = (java.util.Date) Context.jsToJava( ArgList[0], java.util.Date.class );
Calendar cal = Calendar.getInstance();
cal.setTime( dArg1 );
return new Double( cal.get( Calendar.WEEK_OF_YEAR ) );
} else {
throw Context.reportRuntimeError( "The function call week requires 1 argument." );
}
} catch ( Exception e ) {
throw Context.reportRuntimeError( e.toString() );
}
}
代码示例来源:origin: pentaho/pentaho-kettle
public static Object year( Context actualContext, Scriptable actualObject, Object[] ArgList,
Function FunctionContext ) {
try {
if ( ArgList.length == 1 ) {
if ( isNull( ArgList[0] ) ) {
return new Double( Double.NaN );
} else if ( isUndefined( ArgList[0] ) ) {
return Context.getUndefinedValue();
}
java.util.Date dArg1 = (java.util.Date) Context.jsToJava( ArgList[0], java.util.Date.class );
Calendar cal = Calendar.getInstance();
cal.setTime( dArg1 );
return new Double( cal.get( Calendar.YEAR ) );
} else {
throw Context.reportRuntimeError( "The function call year requires 1 argument." );
}
} catch ( Exception e ) {
throw Context.reportRuntimeError( e.toString() );
}
}
代码示例来源:origin: pentaho/pentaho-kettle
public static Object month( Context actualContext, Scriptable actualObject, Object[] ArgList,
Function FunctionContext ) {
try {
if ( ArgList.length == 1 ) {
if ( isNull( ArgList[0] ) ) {
return new Double( Double.NaN );
} else if ( isUndefined( ArgList[0] ) ) {
return Context.getUndefinedValue();
}
java.util.Date dArg1 = (java.util.Date) Context.jsToJava( ArgList[0], java.util.Date.class );
Calendar cal = Calendar.getInstance();
cal.setTime( dArg1 );
return new Double( cal.get( Calendar.MONTH ) );
} else {
throw Context.reportRuntimeError( "The function call month requires 1 argument." );
}
} catch ( Exception e ) {
throw Context.reportRuntimeError( e.toString() );
}
}
代码示例来源:origin: pentaho/pentaho-kettle
public static Object abs( Context actualContext, Scriptable actualObject, Object[] ArgList,
Function FunctionContext ) {
if ( ArgList.length == 1 ) {
try {
if ( isNull( ArgList[0] ) ) {
return new Double( Double.NaN );
} else if ( isUndefined( ArgList[0] ) ) {
return Context.getUndefinedValue();
} else {
return new Double( Math.abs( Context.toNumber( ArgList[0] ) ) );
}
} catch ( Exception e ) {
return null;
}
} else {
throw Context.reportRuntimeError( "The function call abs requires 1 argument." );
}
}
代码示例来源:origin: pentaho/pentaho-kettle
public static Object floor( Context actualContext, Scriptable actualObject, Object[] ArgList,
Function FunctionContext ) {
if ( ArgList.length == 1 ) {
try {
if ( isNull( ArgList[0] ) ) {
return new Double( Double.NaN );
} else if ( isUndefined( ArgList[0] ) ) {
return Context.getUndefinedValue();
} else {
return new Double( Math.floor( Context.toNumber( ArgList[0] ) ) );
}
} catch ( Exception e ) {
return null;
// throw Context.reportRuntimeError(e.toString());
}
} else {
throw Context.reportRuntimeError( "The function call floor requires 1 argument." );
}
}
代码示例来源:origin: pentaho/pentaho-kettle
public static Object trunc( Context actualContext, Scriptable actualObject, Object[] ArgList,
Function FunctionContext ) {
try {
// 1 argument: normal truncation of numbers
//
if ( ArgList.length == 1 ) {
if ( isNull( ArgList[0] ) ) {
return null;
} else if ( isUndefined( ArgList[0] ) ) {
return Context.getUndefinedValue();
}
// This is the truncation of a number...
//
Double dArg1 = (Double) Context.jsToJava( ArgList[0], Double.class );
return Double.valueOf( Math.floor( dArg1 ) );
} else {
throw Context.reportRuntimeError( "The function call trunc requires 1 argument, a number." );
}
} catch ( Exception e ) {
throw Context.reportRuntimeError( e.toString() );
}
}
代码示例来源:origin: pentaho/pentaho-kettle
public static Object ceil( Context actualContext, Scriptable actualObject, Object[] ArgList,
Function FunctionContext ) {
if ( ArgList.length == 1 ) {
try {
if ( isNull( ArgList[0] ) ) {
return Double.NaN;
} else if ( isUndefined( ArgList[0] ) ) {
return Context.getUndefinedValue();
} else {
return Math.ceil( Context.toNumber( ArgList[ 0 ] ) );
}
} catch ( Exception e ) {
return null;
}
} else {
throw Context.reportRuntimeError( "The function call ceil requires 1 argument." );
}
}
代码示例来源:origin: pentaho/pentaho-kettle
public static String ltrim( Context actualContext, Scriptable actualObject, Object[] ArgList,
Function FunctionContext ) {
try {
if ( ArgList.length == 1 ) {
if ( isNull( ArgList[0] ) ) {
return null;
} else if ( isUndefined( ArgList[0] ) ) {
return (String) Context.getUndefinedValue();
}
String strValueToTrim = Context.toString( ArgList[0] );
return strValueToTrim.replaceAll( "^\\s+", "" );
} else {
throw Context.reportRuntimeError( "The function call ltrim requires 1 argument." );
}
} catch ( Exception e ) {
throw Context.reportRuntimeError( "The function call ltrim is not valid : " + e.getMessage() );
}
}
代码示例来源:origin: pentaho/pentaho-kettle
public static String rtrim( Context actualContext, Scriptable actualObject, Object[] ArgList,
Function FunctionContext ) {
try {
if ( ArgList.length == 1 ) {
if ( isNull( ArgList[0] ) ) {
return null;
} else if ( isUndefined( ArgList[0] ) ) {
return (String) Context.getUndefinedValue();
}
String strValueToTrim = Context.toString( ArgList[0] );
return strValueToTrim.replaceAll( "\\s+$", "" );
} else {
throw Context.reportRuntimeError( "The function call rtrim requires 1 argument." );
}
} catch ( Exception e ) {
throw Context.reportRuntimeError( "The function call rtrim is not valid : " + e.getMessage() );
}
}
代码示例来源:origin: pentaho/pentaho-kettle
public static String lower( Context actualContext, Scriptable actualObject, Object[] ArgList,
Function FunctionContext ) {
String sRC = "";
if ( ArgList.length == 1 ) {
try {
if ( isNull( ArgList[0] ) ) {
return null;
} else if ( isUndefined( ArgList[0] ) ) {
return (String) Context.getUndefinedValue();
}
sRC = Context.toString( ArgList[0] );
sRC = sRC.toLowerCase();
} catch ( Exception e ) {
throw Context.reportRuntimeError( "The function call lower is not valid : " + e.getMessage() );
}
} else {
throw Context.reportRuntimeError( "The function call lower requires 1 argument." );
}
return sRC;
}
代码示例来源:origin: pentaho/pentaho-kettle
public static String upper( Context actualContext, Scriptable actualObject, Object[] ArgList,
Function FunctionContext ) {
String sRC = "";
if ( ArgList.length == 1 ) {
try {
if ( isNull( ArgList[0] ) ) {
return null;
} else if ( isUndefined( ArgList[0] ) ) {
return (String) Context.getUndefinedValue();
}
sRC = Context.toString( ArgList[0] );
sRC = sRC.toUpperCase();
} catch ( Exception e ) {
throw Context.reportRuntimeError( "The function call upper is not valid : " + e.getMessage() );
}
} else {
throw Context.reportRuntimeError( "The function call upper requires 1 argument." );
}
return sRC;
}
代码示例来源:origin: pentaho/pentaho-kettle
public static Object isNum( Context actualContext, Scriptable actualObject, Object[] ArgList,
Function FunctionContext ) {
if ( ArgList.length == 1 ) {
try {
if ( isNull( ArgList[0] ) ) {
return null;
} else if ( isUndefined( ArgList[0] ) ) {
return Context.getUndefinedValue();
}
double sArg1 = Context.toNumber( ArgList[0] );
if ( Double.isNaN( sArg1 ) ) {
return Boolean.FALSE;
} else {
return Boolean.TRUE;
}
} catch ( Exception e ) {
return Boolean.FALSE;
}
} else {
throw Context.reportRuntimeError( "The function call isNum requires 1 argument." );
}
}
代码示例来源:origin: pentaho/pentaho-kettle
public static Object isDate( Context actualContext, Scriptable actualObject, Object[] ArgList,
Function FunctionContext ) {
if ( ArgList.length == 1 ) {
try {
if ( isNull( ArgList[0] ) ) {
return null;
} else if ( isUndefined( ArgList[0] ) ) {
return Context.getUndefinedValue();
}
/* java.util.Date d = (java.util.Date) */Context.jsToJava( ArgList[0], java.util.Date.class );
return Boolean.TRUE;
} catch ( Exception e ) {
return Boolean.FALSE;
}
} else {
throw Context.reportRuntimeError( "The function call isDate requires 1 argument." );
}
}
代码示例来源:origin: pentaho/pentaho-kettle
public static String replace( Context actualContext, Scriptable actualObject, Object[] ArgList,
Function FunctionContext ) {
try {
if ( ArgList.length >= 2 && ( ArgList.length - 1 ) % 2 == 0 ) {
if ( isNull( ArgList, new int[] { 0, 1 } ) ) {
return null;
} else if ( isUndefined( ArgList, new int[] { 0, 1 } ) ) {
return (String) Context.getUndefinedValue();
}
String objForReplace = Context.toString( ArgList[0] );
for ( int i = 1; i < ArgList.length - 1; i = i + 2 ) {
objForReplace =
objForReplace.replaceAll( Context.toString( ArgList[i] ), Context.toString( ArgList[i + 1] ) );
}
return objForReplace;
} else {
throw Context.reportRuntimeError( "The function call replace is not valid (wrong number of arguments)" );
}
} catch ( Exception e ) {
throw Context.reportRuntimeError( "Function call replace is not valid : " + e.getMessage() );
}
}
代码示例来源:origin: pentaho/pentaho-kettle
public static String trim( Context actualContext, Scriptable actualObject, Object[] ArgList,
Function FunctionContext ) {
String sRC = "";
if ( ArgList.length == 1 ) {
try {
if ( isNull( ArgList[0] ) ) {
return null;
} else if ( isUndefined( ArgList[0] ) ) {
return (String) Context.getUndefinedValue();
}
sRC = Context.toString( ArgList[0] );
sRC = Const.trim( sRC );
} catch ( Exception e ) {
throw Context.reportRuntimeError( "The function call trim is not valid : " + e.getMessage() );
}
} else {
throw Context.reportRuntimeError( "The function call trim requires 1 argument." );
}
return sRC;
}
代码示例来源:origin: pentaho/pentaho-kettle
public static String lpad( Context actualContext, Scriptable actualObject, Object[] ArgList,
Function FunctionContext ) {
// (String valueToPad, String filler, int size) {
try {
if ( ArgList.length == 3 ) {
if ( isNull( ArgList, new int[] { 0, 1, 2 } ) ) {
return null;
} else if ( isUndefined( ArgList, new int[] { 0, 1, 2 } ) ) {
return (String) Context.getUndefinedValue();
}
String valueToPad = Context.toString( ArgList[0] );
String filler = Context.toString( ArgList[1] );
int size = (int) Context.toNumber( ArgList[2] );
while ( valueToPad.length() < size ) {
valueToPad = filler + valueToPad;
}
return valueToPad;
}
} catch ( Exception e ) {
throw Context.reportRuntimeError( "The function call lpad requires 3 arguments." );
}
return null;
}
代码示例来源:origin: pentaho/pentaho-kettle
public static String removeCRLF( Context actualContext, Scriptable actualObject, Object[] ArgList,
Function FunctionContext ) {
if ( ArgList.length == 1 ) {
try {
if ( isNull( ArgList[0] ) ) {
return null;
} else if ( isUndefined( ArgList[0] ) ) {
return (String) Context.getUndefinedValue();
}
return Const.removeCRLF( Context.toString( ArgList[0] ) );
} catch ( Exception e ) {
throw Context.reportRuntimeError( "The function call removeCRLF is not valid" );
}
} else {
throw Context.reportRuntimeError( "The function call removeCRLF is not valid" );
}
}
}
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