/* 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.harmony.prefs.tests.java.util.prefs;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import java.util.prefs.AbstractPreferences;
import java.util.prefs.BackingStoreException;
import java.util.prefs.Preferences;
public class MockAbstractPreferences extends AbstractPreferences {
static final int NORMAL = 0;
static final int backingException = 1;
static final int runtimeException = 2;
static final int returnNull = 3;
int result = NORMAL;
Properties attr = new Properties();
Map<String, MockAbstractPreferences> childs = new HashMap<String, MockAbstractPreferences>();
private int flushedTimes;
private int syncTimes;
protected MockAbstractPreferences(AbstractPreferences parent, String name) {
this(parent, name, false);
}
protected MockAbstractPreferences(AbstractPreferences parent, String name,
boolean newNode) {
super(parent, name);
super.newNode = newNode;
if (parent instanceof MockAbstractPreferences) {
((MockAbstractPreferences) parent).addChild(this);
}
}
public int getFlushedTimes() {
return flushedTimes;
}
public void resetFlushedTimes() {
flushedTimes = 0;
}
public int getSyncTimes() {
return syncTimes;
}
public void resetSyncTimes() {
syncTimes = 0;
}
private void addChild(MockAbstractPreferences c) {
childs.put(c.name(), c);
}
public void setResult(int r) {
result = r;
}
public Object lock() {
return lock;
}
@Override
protected String[] childrenNamesSpi() throws BackingStoreException {
checkException();
if (result == returnNull)
return null;
String[] r = new String[childs.size()];
childs.keySet().toArray(r);
return r;
}
private void checkException() throws BackingStoreException {
switch (result) {
case NORMAL:
return;
case backingException:
throw new BackingStoreException("test");
case runtimeException:
throw new MockRuntimeException("test");
}
}
public AbstractPreferences publicChildSpi(String name) {
return childSpi(name);
}
@Override
protected AbstractPreferences childSpi(String name) {
try {
checkException();
} catch (BackingStoreException e) {
}
if (result == returnNull)
return null;
AbstractPreferences r = childs.get(name);
if (r == null) {
r = new MockAbstractPreferences(this, name, true);
}
return r;
}
@Override
protected void flushSpi() throws BackingStoreException {
checkException();
flushedTimes++;
}
@Override
protected String getSpi(String key) {
try {
checkException();
} catch (BackingStoreException e) {
}
if (null == key) {
return null;
}
return result == returnNull ? null : attr.getProperty(key);
}
@Override
protected String[] keysSpi() throws BackingStoreException {
checkException();
Set<Object> keys = attr.keySet();
String[] results = new String[keys.size()];
keys.toArray(results);
return result == returnNull ? null : results;
}
@Override
protected void putSpi(String name, String value) {
try {
checkException();
} catch (BackingStoreException e) {
}
if (name == null || value == null) {
return;
}
attr.put(name, value);
}
@Override
protected void removeNodeSpi() throws BackingStoreException {
checkException();
Preferences p = parent();
if (p instanceof MockAbstractPreferences) {
((MockAbstractPreferences) p).childs.remove(name());
} else {
String[] children = p.childrenNames();
for (String child : children) {
p.node(child).removeNode();
}
}
}
@Override
protected void removeSpi(String key) {
try {
checkException();
} catch (BackingStoreException e) {
}
if (null == key) {
return;
}
attr.remove(key);
}
@Override
protected void syncSpi() throws BackingStoreException {
checkException();
syncTimes++;
}
public boolean getNewNode() {
return newNode;
}
public Object getLock() {
return lock;
}
public void protectedAbstractMethod() {
try {
childrenNamesSpi();
} catch (BackingStoreException e) {
}
childSpi("mock");
try {
flushSpi();
} catch (BackingStoreException e1) {
}
getSpi(null);
isRemoved();
try {
keysSpi();
} catch (BackingStoreException e2) {
}
putSpi(null, null);
try {
removeNodeSpi();
} catch (BackingStoreException e3) {
}
removeSpi(null);
try {
syncSpi();
} catch (BackingStoreException e4) {
}
}
public boolean isRemovedImpl() {
return super.isRemoved();
}
public AbstractPreferences getChildImpl(String name)
throws BackingStoreException {
return super.getChild(name);
}
public AbstractPreferences[] cachedChildrenImpl() {
return super.cachedChildren();
}
}
class MockRuntimeException extends RuntimeException {
private static final long serialVersionUID = 1L;
public MockRuntimeException(String s) {
super(s);
}
public MockRuntimeException() {
super();
}
}