com.kumbaya.dht.Values.java Source code

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Here is the source code for com.kumbaya.dht.Values.java

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/**
 * Copyright 2010, 2011 Google Inc.
 *
 * Licensed 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 com.kumbaya.dht;

import org.limewire.mojito.db.DHTValue;
import org.limewire.mojito.db.DHTValueEntity;
import org.limewire.mojito.db.DHTValueType;
import org.limewire.mojito.db.impl.DHTValueImpl;
import org.limewire.mojito.routing.Version;

import com.google.common.base.Preconditions;

public class Values {
    public static DHTValue of(String value) {
        return of(value, DHTValueType.TEXT);
    }

    public static DHTValue of(String value, DHTValueType type) {
        return new DHTValueImpl(type, Version.ZERO, value.getBytes());
    }

    public static DHTValue of(String value, String type) {
        int hash = 7;
        for (int i = 0; i < type.length(); i++) {
            hash = hash * 31 + type.charAt(i);
        }
        return of(value, DHTValueType.valueOf(hash));
    }

    public static String of(DHTValueEntity entity) {
        Preconditions.checkArgument(entity.getValue().getValueType() == DHTValueType.TEXT);
        return new String(entity.getValue().getValue());
    }
}