/*
* 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.dnd.view;
import java.util.HashMap;
import java.util.Map;
import org.apache.isis.core.commons.lang.ToString;
import org.apache.isis.viewer.dnd.util.ViewerException;
import org.apache.log4j.Logger;
public class Axes {
private static final Logger LOG = Logger.getLogger(Axes.class);
private final Map<Class, ViewAxis> axes = new HashMap<Class, ViewAxis>();
public void add(final ViewAxis axis) {
if (axis != null) {
final Class<? extends ViewAxis> cls = axis.getClass();
add(axis, cls);
}
}
public void add(final ViewAxis axis, final Class<? extends ViewAxis> cls) {
final ViewAxis previous = axes.put(cls, axis);
if (previous != null) {
LOG.debug(axis + " replacing " + previous);
} else {
LOG.debug("adding " + axis);
}
}
public <T extends ViewAxis> T getAxis(final Class<T> axisClass) {
final ViewAxis viewAxis = axes.get(axisClass);
if (viewAxis == null) {
throw new ViewerException("No axis of type " + axisClass + " in " + this);
}
return (T) viewAxis;
}
public boolean contains(final Class<? extends ViewAxis> axisClass) {
return axes.containsKey(axisClass);
}
public void add(final Axes axes) {
this.axes.putAll(axes.axes);
}
@Override
public String toString() {
// TODO provide flag to list as elements, rather than fields
final ToString s = new ToString(this);
for (final ViewAxis axis : axes.values()) {
s.append(axis.toString());
}
return s.toString();
}
}