/*
* 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 org.apache.isis.viewer.scimpi.dispatcher.view.simple;
import org.apache.isis.viewer.scimpi.dispatcher.AbstractElementProcessor;
import org.apache.isis.viewer.scimpi.dispatcher.context.RequestContext;
import org.apache.isis.viewer.scimpi.dispatcher.context.RequestContext.Scope;
import org.apache.isis.viewer.scimpi.dispatcher.processor.Request;
public class Variable extends AbstractElementProcessor {
@Override
public void process(final Request request) {
final String name = request.getOptionalProperty(NAME);
final String value = request.getOptionalProperty(VALUE);
final String defaultTo = request.getOptionalProperty(DEFAULT);
final String scopeName = request.getOptionalProperty(SCOPE);
final boolean isClear = request.getOptionalProperty("action", "set").equals("clear");
final Scope scope = RequestContext.scope(scopeName, isClear ? Scope.SESSION : Scope.REQUEST);
process(request, name, value, defaultTo, isClear, scope);
}
protected void process(final Request request, final String name, final String value, final String defaultTo, final boolean isClear, final Scope scope) {
request.pushNewBuffer();
request.processUtilCloseTag();
String source = request.popBuffer();
if (isClear) {
request.appendDebug("variable: " + name + " (cleared)");
request.getContext().clearVariable(name, scope);
} else {
if (source.length() == 0 && value != null) {
source = value;
}
if (source.length() == 0) {
source = defaultTo;
}
request.appendDebug(" " + name + " (" + scope + ") set to " + source);
request.getContext().addVariable(name, source, scope);
}
}
@Override
public String getName() {
return "variable";
}
}