/*
* Copyright (c) 2002-2006 by OpenSymphony
* All rights reserved.
*/
package com.opensymphony.xwork2.ognl;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.TextProvider;
import com.opensymphony.xwork2.conversion.NullHandler;
import com.opensymphony.xwork2.conversion.impl.XWorkConverter;
import com.opensymphony.xwork2.inject.Container;
import com.opensymphony.xwork2.inject.Inject;
import com.opensymphony.xwork2.ognl.accessor.CompoundRootAccessor;
import com.opensymphony.xwork2.util.CompoundRoot;
import com.opensymphony.xwork2.util.ValueStack;
import com.opensymphony.xwork2.util.ValueStackFactory;
import ognl.MethodAccessor;
import ognl.OgnlRuntime;
import ognl.PropertyAccessor;
import java.util.Map;
import java.util.Set;
/**
* Creates an Ognl value stack
*/
public class OgnlValueStackFactory implements ValueStackFactory {
private XWorkConverter xworkConverter;
private CompoundRootAccessor compoundRootAccessor;
private TextProvider textProvider;
private Container container;
private boolean allowStaticMethodAccess;
@Inject
public void setXWorkConverter(XWorkConverter conv) {
this.xworkConverter = conv;
}
@Inject("system")
public void setTextProvider(TextProvider textProvider) {
this.textProvider = textProvider;
}
@Inject(value="allowStaticMethodAccess", required=false)
public void setAllowStaticMethodAccess(String allowStaticMethodAccess) {
this.allowStaticMethodAccess = "true".equalsIgnoreCase(allowStaticMethodAccess);
}
public ValueStack createValueStack() {
ValueStack stack = new OgnlValueStack(xworkConverter, compoundRootAccessor, textProvider, allowStaticMethodAccess);
container.inject(stack);
stack.getContext().put(ActionContext.CONTAINER, container);
return stack;
}
public ValueStack createValueStack(ValueStack stack) {
ValueStack result = new OgnlValueStack(stack, xworkConverter, compoundRootAccessor, allowStaticMethodAccess);
container.inject(result);
stack.getContext().put(ActionContext.CONTAINER, container);
return result;
}
@Inject
public void setContainer(Container container) throws ClassNotFoundException {
Set<String> names = container.getInstanceNames(PropertyAccessor.class);
if (names != null) {
for (String name : names) {
Class cls = Class.forName(name);
if (cls != null) {
if (Map.class.isAssignableFrom(cls)) {
PropertyAccessor acc = container.getInstance(PropertyAccessor.class, name);
}
OgnlRuntime.setPropertyAccessor(cls, container.getInstance(PropertyAccessor.class, name));
if (compoundRootAccessor == null && CompoundRoot.class.isAssignableFrom(cls)) {
compoundRootAccessor = (CompoundRootAccessor) container.getInstance(PropertyAccessor.class, name);
}
}
}
}
names = container.getInstanceNames(MethodAccessor.class);
if (names != null) {
for (String name : names) {
Class cls = Class.forName(name);
if (cls != null) {
OgnlRuntime.setMethodAccessor(cls, container.getInstance(MethodAccessor.class, name));
}
}
}
names = container.getInstanceNames(NullHandler.class);
if (names != null) {
for (String name : names) {
Class cls = Class.forName(name);
if (cls != null) {
OgnlRuntime.setNullHandler(cls, new OgnlNullHandlerWrapper(container.getInstance(NullHandler.class, name)));
}
}
}
if (compoundRootAccessor == null) {
throw new IllegalStateException("Couldn't find the compound root accessor");
}
this.container = container;
}
}
|