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Struts example source code file (ReflectionContextState.java)

This example Struts source code file (ReflectionContextState.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Struts tags/keywords

boolean, class, full_property_path, hashmap, map, map, object, object, reflectioncontextstate, set_map_key, string, string, stringbuilder, stringbuilder, util

The Struts ReflectionContextState.java source code

/*
 * Copyright 2002-2006,2009 The Apache Software Foundation.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.opensymphony.xwork2.util.reflection;

import com.opensymphony.xwork2.conversion.impl.XWorkConverter;

import java.util.HashMap;
import java.util.Map;

/**
 * Manages variables in the reflection context and returns values
 * to be used by the application.
 *
 * @author Gabe
 */
public class ReflectionContextState {

    public static final String CURRENT_PROPERTY_PATH="current.property.path";
    public static final String FULL_PROPERTY_PATH="current.property.path";
    private static final String GETTING_BY_KEY_PROPERTY="xwork.getting.by.key.property";

    private static final String SET_MAP_KEY="set.map.key";

    public static boolean isCreatingNullObjects(Map<String, Object> context) {
		//TODO
		return getBooleanProperty(ReflectionContextState.CREATE_NULL_OBJECTS, context);
	}

	public static void setCreatingNullObjects(Map<String, Object> context, boolean creatingNullObjects) {
		setBooleanValue(ReflectionContextState.CREATE_NULL_OBJECTS, context, creatingNullObjects);
	}

	public static boolean isGettingByKeyProperty(Map<String, Object> context) {
		return getBooleanProperty(GETTING_BY_KEY_PROPERTY, context);
	}
	
	public static void setDenyMethodExecution(Map<String, Object> context, boolean denyMethodExecution) {
		setBooleanValue(ReflectionContextState.DENY_METHOD_EXECUTION, context, denyMethodExecution);
	}
	
	public static boolean isDenyMethodExecution(Map<String, Object> context) {
		return getBooleanProperty(ReflectionContextState.DENY_METHOD_EXECUTION, context);
	}

	public static void setGettingByKeyProperty(Map<String, Object> context, boolean gettingByKeyProperty) {
		setBooleanValue(GETTING_BY_KEY_PROPERTY, context, gettingByKeyProperty);
	}	
	
	public static boolean isReportingConversionErrors(Map<String, Object> context) {
		return getBooleanProperty(XWorkConverter.REPORT_CONVERSION_ERRORS, context);
	}

	public static void setReportingConversionErrors(Map<String, Object> context, boolean reportingErrors) {
		setBooleanValue(XWorkConverter.REPORT_CONVERSION_ERRORS, context, reportingErrors);
	}

	public static Class getLastBeanClassAccessed(Map<String, Object> context) {
		return (Class)context.get(XWorkConverter.LAST_BEAN_CLASS_ACCESSED);
	}

	public static void setLastBeanPropertyAccessed(Map<String, Object> context, String property) {
		context.put(XWorkConverter.LAST_BEAN_PROPERTY_ACCESSED, property);
	}

	public static String getLastBeanPropertyAccessed(Map<String, Object> context) {
		return (String)context.get(XWorkConverter.LAST_BEAN_PROPERTY_ACCESSED);
	}

	public static void setLastBeanClassAccessed(Map<String, Object> context, Class clazz) {
		context.put(XWorkConverter.LAST_BEAN_CLASS_ACCESSED, clazz);
	}
	/**
	 * Gets the current property path but not completely.
	 * It does not use the [ and ] used in some representations
	 * of Maps and Lists. The reason for this is that the current
	 * property path is only currently used for caching purposes
	 * so there is no real reason to have an exact replica.
     *
	 * <p/>So if the real path is myProp.myMap['myKey'] this would
	 * return myProp.myMap.myKey.
     * 
	 * @param context
	 */
	public static String getCurrentPropertyPath(Map<String, Object> context) {
		return (String)context.get(CURRENT_PROPERTY_PATH);
	}

	public static String getFullPropertyPath(Map<String, Object> context) {
		return (String)context.get(FULL_PROPERTY_PATH);
	}

	public static void setFullPropertyPath(Map<String, Object> context, String path) {
		context.put(FULL_PROPERTY_PATH, path);

	}

	public static void updateCurrentPropertyPath(Map<String, Object> context, Object name) {
		String currentPath=getCurrentPropertyPath(context);
		if (name!=null) {
			if (currentPath!=null) {
                StringBuilder sb = new StringBuilder(currentPath);
                sb.append(".");
                sb.append(name.toString());
				currentPath = sb.toString();
			}	else {
				currentPath = name.toString();
			}
			context.put(CURRENT_PROPERTY_PATH, currentPath);
		}
	}

	public static void setSetMap(Map<String, Object> context, Map setMap, String path) {
		Map<Object, Map mapOfSetMaps=(Map)context.get(SET_MAP_KEY);
		if (mapOfSetMaps==null) {
			mapOfSetMaps=new HashMap<Object, Map();
			context.put(SET_MAP_KEY, mapOfSetMaps);
		}
		mapOfSetMaps.put(path, setMap);
	}

	public static Map<Object, Object> getSetMap(Map context, String path) {
		Map<Object, Map mapOfSetMaps=(Map)context.get(SET_MAP_KEY);
		if (mapOfSetMaps==null) {
			return null;
		}
		return mapOfSetMaps.get(path);
	}

	private static boolean getBooleanProperty(String property, Map<String, Object> context) {
		Boolean myBool=(Boolean)context.get(property);
		return (myBool==null)?false:myBool.booleanValue();
	}

	private static void setBooleanValue(String property, Map<String, Object> context, boolean value) {
		context.put(property, new Boolean(value));
	}

	/**
	 *
	 */
	public static void clearCurrentPropertyPath(Map<String, Object> context) {
		context.put(CURRENT_PROPERTY_PATH, null);

	}


    public static void clear(Map<String, Object> context) {
        if (context != null) {
            context.put(XWorkConverter.LAST_BEAN_CLASS_ACCESSED,null);
            context.put(XWorkConverter.LAST_BEAN_PROPERTY_ACCESSED,null);
    
            context.put(CURRENT_PROPERTY_PATH,null);
            context.put(FULL_PROPERTY_PATH,null);
        }

    }


    public static final String CREATE_NULL_OBJECTS = "xwork.NullHandler.createNullObjects";
    public static final String DENY_METHOD_EXECUTION = "xwork.MethodAccessor.denyMethodExecution";
    public static final String DENY_INDEXED_ACCESS_EXECUTION = "xwork.IndexedPropertyAccessor.denyMethodExecution";



}

Other Struts examples (source code examples)

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