org.waveprotocol.wave.client.common.util.ClientPercentEncoderDecoder.java Source code

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Here is the source code for org.waveprotocol.wave.client.common.util.ClientPercentEncoderDecoder.java

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/**
 * 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.waveprotocol.wave.client.common.util;

import com.google.gwt.http.client.URL;

import org.waveprotocol.wave.model.id.URIEncoderDecoder;

/**
 * Uses GWT {@link URL} to percent encode.
 */
public final class ClientPercentEncoderDecoder implements URIEncoderDecoder.PercentEncoderDecoder {
    @Override
    public String decode(String encodedValue) throws URIEncoderDecoder.EncodingException {
        String ret = URL.decodePathSegment(encodedValue);
        if (ret.indexOf(0xFFFD) != -1) {
            throw new URIEncoderDecoder.EncodingException(
                    "Unable to decode value " + encodedValue + " it contains invalid UTF-8");
        }
        return ret;
    }

    @Override
    public String encode(String decodedValue) {
        return URL.encode(decodedValue);
    }
}