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OfficeFloor plug-in for Web
/*
* OfficeFloor - http://www.officefloor.net
* Copyright (C) 2005-2018 Daniel Sagenschneider
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*/
package net.officefloor.web.value.load;
import java.lang.reflect.Method;
import java.util.Map;
import net.officefloor.server.http.HttpException;
import net.officefloor.web.build.HttpValueLocation;
/**
* {@link StatelessValueLoaderFactory} to load keyed string parameter.
*
* @author Daniel Sagenschneider
*/
public class KeyedParameterValueLoaderFactory implements StatelessValueLoaderFactory {
/**
* Property name.
*/
private final String propertyName;
/**
* {@link Method} name.
*/
private final String methodName;
/**
* Initiate.
*
* @param propertyName
* Property name.
* @param methodName
* {@link Method} name.
*/
public KeyedParameterValueLoaderFactory(String propertyName, String methodName) {
this.propertyName = propertyName;
this.methodName = methodName;
}
/*
* ===================== StatelessValueLoaderFactory =================
*/
@Override
public String getPropertyName() {
return this.propertyName;
}
@Override
public StatelessValueLoader createValueLoader(Class> clazz) throws Exception {
// Obtain the loader method
final Method loaderMethod = clazz.getMethod(this.methodName, String.class, String.class);
// Obtain the value location
final HttpValueLocation loaderLocation = ValueLoaderSource.getLocation(loaderMethod);
// Return the new value loader
return new StatelessValueLoader() {
@Override
public void loadValue(Object object, String name, int nameIndex, String value, HttpValueLocation location,
Map state) throws HttpException {
// Determine if match location
if (!ValueLoaderSource.isLocationMatch(loaderLocation, location)) {
return; // not match, so do not load
}
// Obtain the keyed value
int keyEnd = name.indexOf('}', nameIndex);
if (keyEnd < 0) {
return; // No key so do not load
}
String key = name.substring(nameIndex, keyEnd);
// Load the value
ValueLoaderSource.loadValue(object, loaderMethod, key, value);
}
};
}
}
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