/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 freemarker.ext.jsp;
import javax.
servlet.
jsp.
PageContext;
import freemarker.ext.beans.
BeansWrapper;
import freemarker.template.
TemplateHashModel;
import freemarker.template.
TemplateModel;
import freemarker.template.
TemplateModelException;
class
JspContextModel
implements
TemplateHashModel {
public static final int
ANY_SCOPE = -1;
public static final int
PAGE_SCOPE =
PageContext.
PAGE_SCOPE;
public static final int
REQUEST_SCOPE =
PageContext.
REQUEST_SCOPE;
public static final int
SESSION_SCOPE =
PageContext.
SESSION_SCOPE;
public static final int
APPLICATION_SCOPE =
PageContext.
APPLICATION_SCOPE;
private final
PageContext pageContext;
private final int
scope;
public
JspContextModel(
PageContext pageContext, int
scope) {
this.
pageContext =
pageContext;
this.
scope =
scope;
}
public
TemplateModel get(
String key) throws
TemplateModelException {
Object bean =
scope ==
ANY_SCOPE ?
pageContext.
findAttribute(
key) :
pageContext.
getAttribute(
key,
scope);
return
BeansWrapper.
getDefaultInstance().
wrap(
bean);
}
public boolean
isEmpty() {
return false;
}
}