/*
* Copyright (C) 2010 ZXing authors
*
* 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.google.zxing.client.android.result.supplement;
import android.content.Context;
import android.widget.TextView;
import com.google.zxing.client.android.HttpHelper;
import com.google.zxing.client.android.history.HistoryManager;
import com.google.zxing.client.android.R;
import com.google.zxing.client.result.URIParsedResult;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
final class URIResultInfoRetriever extends SupplementalInfoRetriever {
private static final int MAX_REDIRECTS = 5;
private final URIParsedResult result;
private final String redirectString;
URIResultInfoRetriever(TextView textView, URIParsedResult result, HistoryManager historyManager, Context context) {
super(textView, historyManager);
redirectString = context.getString(R.string.msg_redirect);
this.result = result;
}
@Override
void retrieveSupplementalInfo() throws IOException {
URI oldURI;
try {
oldURI = new URI(result.getURI());
} catch (URISyntaxException ignored) {
return;
}
URI newURI = HttpHelper.unredirect(oldURI);
int count = 0;
while (count++ < MAX_REDIRECTS && !oldURI.equals(newURI)) {
append(result.getDisplayResult(),
null,
new String[] { redirectString + " : " + newURI },
newURI.toString());
oldURI = newURI;
newURI = HttpHelper.unredirect(newURI);
}
}
}