jspruntimelibrary.java

业界著名的tomcat服务器的最新6.0的源代码。

					  propertyEditorClass); 
		    }
		} else {
		    if(value == null || (param != null && value.equals(""))) return;
		    Object oval = convert(prop, value, type, propertyEditorClass);
		    if ( oval != null )
			method.invoke(bean, new Object[] { oval });
		}
	    }
	} catch (Exception ex) {
	    throw new JasperException(ex);
	}
        if (!ignoreMethodNF && (method == null)) {
            if (type == null) {
		throw new JasperException(
                    Localizer.getMessage("jsp.error.beans.noproperty",
					 prop,
					 bean.getClass().getName()));
            } else {
		throw new JasperException(
	            Localizer.getMessage("jsp.error.beans.nomethod.setproperty",
					 prop,
					 type.getName(),
					 bean.getClass().getName()));
            }
        }
    }
    // __end introspecthelperMethod
    
    //-------------------------------------------------------------------
    // functions to convert builtin Java data types to string.
    //-------------------------------------------------------------------
    // __begin toStringMethod
    public static String toString(Object o) {
        return String.valueOf(o);
    }

    public static String toString(byte b) {
        return new Byte(b).toString();
    }

    public static String toString(boolean b) {
        return new Boolean(b).toString();
    }

    public static String toString(short s) {
        return new Short(s).toString();
    }

    public static String toString(int i) {
        return new Integer(i).toString();
    }

    public static String toString(float f) {
        return new Float(f).toString();
    }

    public static String toString(long l) {
        return new Long(l).toString();
    }

    public static String toString(double d) {
        return new Double(d).toString();
    }

    public static String toString(char c) {
        return new Character(c).toString();
    }
    // __end toStringMethod


    /**
     * Create a typed array.
     * This is a special case where params are passed through
     * the request and the property is indexed.
     */
    public static void createTypedArray(String propertyName,
					Object bean,
					Method method,
					String[] values,
					Class t,
					Class propertyEditorClass)
	        throws JasperException {

	try {
	    if (propertyEditorClass != null) {
		Object[] tmpval = new Integer[values.length];
		for (int i=0; i<values.length; i++) {
		    tmpval[i] = getValueFromBeanInfoPropertyEditor(
                            t, propertyName, values[i], propertyEditorClass);
		}
		method.invoke (bean, new Object[] {tmpval});
	    } else if (t.equals(Integer.class)) {
		Integer []tmpval = new Integer[values.length];
		for (int i = 0 ; i < values.length; i++)
		    tmpval[i] =  new Integer (values[i]);
		method.invoke (bean, new Object[] {tmpval});
	    } else if (t.equals(Byte.class)) {
		Byte[] tmpval = new Byte[values.length];
		for (int i = 0 ; i < values.length; i++)
		    tmpval[i] = new Byte (values[i]);
		method.invoke (bean, new Object[] {tmpval});
	    } else if (t.equals(Boolean.class)) {
		Boolean[] tmpval = new Boolean[values.length];
		for (int i = 0 ; i < values.length; i++)
		    tmpval[i] = new Boolean (values[i]);
		method.invoke (bean, new Object[] {tmpval});
	    } else if (t.equals(Short.class)) {
		Short[] tmpval = new Short[values.length];
		for (int i = 0 ; i < values.length; i++)
		    tmpval[i] = new Short (values[i]);
		method.invoke (bean, new Object[] {tmpval});
	    } else if (t.equals(Long.class)) {
		Long[] tmpval = new Long[values.length];
		for (int i = 0 ; i < values.length; i++)
		    tmpval[i] = new Long (values[i]);
		method.invoke (bean, new Object[] {tmpval});
	    } else if (t.equals(Double.class)) {
		Double[] tmpval = new Double[values.length];
		for (int i = 0 ; i < values.length; i++)
		    tmpval[i] = new Double (values[i]);
		method.invoke (bean, new Object[] {tmpval});
	    } else if (t.equals(Float.class)) {
		Float[] tmpval = new Float[values.length];
		for (int i = 0 ; i < values.length; i++)
		    tmpval[i] = new Float (values[i]);
		method.invoke (bean, new Object[] {tmpval});
	    } else if (t.equals(Character.class)) {
		Character[] tmpval = new Character[values.length];
		for (int i = 0 ; i < values.length; i++)
		    tmpval[i] = new Character(values[i].charAt(0));
		method.invoke (bean, new Object[] {tmpval});
	    } else if (t.equals(int.class)) {
		int []tmpval = new int[values.length];
		for (int i = 0 ; i < values.length; i++)
		    tmpval[i] = Integer.parseInt (values[i]);
		method.invoke (bean, new Object[] {tmpval});
	    } else if (t.equals(byte.class)) {
		byte[] tmpval = new byte[values.length];
		for (int i = 0 ; i < values.length; i++)
		    tmpval[i] = Byte.parseByte (values[i]);
		method.invoke (bean, new Object[] {tmpval});
	    } else if (t.equals(boolean.class)) {
		boolean[] tmpval = new boolean[values.length];
		for (int i = 0 ; i < values.length; i++)
		    tmpval[i] = (Boolean.valueOf(values[i])).booleanValue();
		method.invoke (bean, new Object[] {tmpval});
	    } else if (t.equals(short.class)) {
		short[] tmpval = new short[values.length];
		for (int i = 0 ; i < values.length; i++)
		    tmpval[i] = Short.parseShort (values[i]);
		method.invoke (bean, new Object[] {tmpval});
	    } else if (t.equals(long.class)) {
		long[] tmpval = new long[values.length];
		for (int i = 0 ; i < values.length; i++)
		    tmpval[i] = Long.parseLong (values[i]);
		method.invoke (bean, new Object[] {tmpval});
	    } else if (t.equals(double.class)) {
		double[] tmpval = new double[values.length];
		for (int i = 0 ; i < values.length; i++)
		    tmpval[i] = Double.valueOf(values[i]).doubleValue();
		method.invoke (bean, new Object[] {tmpval});
	    } else if (t.equals(float.class)) {
		float[] tmpval = new float[values.length];
		for (int i = 0 ; i < values.length; i++)
		    tmpval[i] = Float.valueOf(values[i]).floatValue();
		method.invoke (bean, new Object[] {tmpval});
	    } else if (t.equals(char.class)) {
		char[] tmpval = new char[values.length];
		for (int i = 0 ; i < values.length; i++)
		    tmpval[i] = values[i].charAt(0);
		method.invoke (bean, new Object[] {tmpval});
	    } else {
		Object[] tmpval = new Integer[values.length];
		for (int i=0; i<values.length; i++) {
		    tmpval[i] =  
			getValueFromPropertyEditorManager(
                                            t, propertyName, values[i]);
		}
		method.invoke (bean, new Object[] {tmpval});
	    }
	} catch (Exception ex) {
            throw new JasperException ("error in invoking method", ex);
	}
    }

    /**
     * Escape special shell characters.
     * @param unescString The string to shell-escape
     * @return The escaped shell string.
     */

    public static String escapeQueryString(String unescString) {
    if ( unescString == null )
        return null;
   
    String escString    = "";
    String shellSpChars = "&;`'\"|*?~<>^()[]{}$\\\n";
   
    for(int index=0; index<unescString.length(); index++) {
        char nextChar = unescString.charAt(index);

        if( shellSpChars.indexOf(nextChar) != -1 )
        escString += "\\";

        escString += nextChar;
    }
    return escString;
    }

    /**
     * Decode an URL formatted string.
     * @param encoded The string to decode.
     * @return The decoded string.
     */

    public static String decode(String encoded) {
        // speedily leave if we're not needed
    if (encoded == null) return null;
        if (encoded.indexOf('%') == -1 && encoded.indexOf('+') == -1)
        return encoded;

    //allocate the buffer - use byte[] to avoid calls to new.
        byte holdbuffer[] = new byte[encoded.length()];

        char holdchar;
        int bufcount = 0;

        for (int count = 0; count < encoded.length(); count++) {
        char cur = encoded.charAt(count);
            if (cur == '%') {
            holdbuffer[bufcount++] =
          (byte)Integer.parseInt(encoded.substring(count+1,count+3),16);
                if (count + 2 >= encoded.length())
                    count = encoded.length();
                else
                    count += 2;
            } else if (cur == '+') {
        holdbuffer[bufcount++] = (byte) ' ';
        } else {
            holdbuffer[bufcount++] = (byte) cur;
            }
        }
	// REVISIT -- remedy for Deprecated warning.
    //return new String(holdbuffer,0,0,bufcount);
    return new String(holdbuffer,0,bufcount);
    }

    // __begin lookupReadMethodMethod
    public static Object handleGetProperty(Object o, String prop)
    throws JasperException {
        if (o == null) {
	    throw new JasperException(
	            Localizer.getMessage("jsp.error.beans.nullbean"));
        }
	Object value = null;
        try {
            Method method = getReadMethod(o.getClass(), prop);
	    value = method.invoke(o, (Object[]) null);
        } catch (Exception ex) {
	    throw new JasperException (ex);
        }
        return value;
    }
    // __end lookupReadMethodMethod

    // handles <jsp:setProperty> with EL expression for 'value' attribute
/** Use proprietaryEvaluate
    public static void handleSetPropertyExpression(Object bean,
        String prop, String expression, PageContext pageContext,
        VariableResolver variableResolver, FunctionMapper functionMapper )
	throws JasperException
    {
	try {
            Method method = getWriteMethod(bean.getClass(), prop);
	    method.invoke(bean, new Object[] { 
		pageContext.getExpressionEvaluator().evaluate(
		    expression,
		    method.getParameterTypes()[0],
                    variableResolver,
                    functionMapper,
                    null )
	    });
	} catch (Exception ex) {
	    throw new JasperException(ex);
	}
    }
**/
    public static void handleSetPropertyExpression(Object bean,
        String prop, String expression, PageContext pageContext,
	ProtectedFunctionMapper functionMapper )
        throws JasperException
    {
        try {
            Method method = getWriteMethod(bean.getClass(), prop);
            method.invoke(bean, new Object[] {
                PageContextImpl.proprietaryEvaluate(
                    expression,
                    method.getParameterTypes()[0],
		    pageContext,
                    functionMapper,
                    false )
            });
        } catch (Exception ex) {
            throw new JasperException(ex);
        }
    }

    public static void handleSetProperty(Object bean, String prop,
					 Object value)
	throws JasperException
    {
	try {
            Method method = getWriteMethod(bean.getClass(), prop);
	    method.invoke(bean, new Object[] { value });
	} catch (Exception ex) {
	    throw new JasperException(ex);
	}
    }
    
    public static void handleSetProperty(Object bean, String prop,
					 int value)
	throws JasperException
    {
	try {
            Method method = getWriteMethod(bean.getClass(), prop);
	    method.invoke(bean, new Object[] { new Integer(value) });
	} catch (Exception ex) {
	    throw new JasperException(ex);
	}	
    }
    
    public static void handleSetProperty(Object bean, String prop,
					 short value)
	throws JasperException
    {
	try {
            Method method = getWriteMethod(bean.getClass(), prop);
	    method.invoke(bean, new Object[] { new Short(value) });
	} catch (Exception ex) {
	    throw new JasperException(ex);
	}	
    }
    
    public static void handleSetProperty(Object bean, String prop,
					 long value)
	throws JasperException
    {
	try {
            Method method = getWriteMethod(bean.getClass(), prop);