com.google.walkaround.wave.server.admin.FlagsHandler.java Source code

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Here is the source code for com.google.walkaround.wave.server.admin.FlagsHandler.java

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/*
 * Copyright 2011 Google Inc. All Rights Reserved.
 *
 * 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.walkaround.wave.server.admin;

import com.google.common.collect.Lists;
import com.google.gxp.base.GxpContext;
import com.google.inject.Inject;
import com.google.inject.name.Named;
import com.google.walkaround.util.server.flags.FlagDeclaration;
import com.google.walkaround.util.server.servlet.AbstractHandler;
import com.google.walkaround.wave.server.Flag;
import com.google.walkaround.wave.server.FlagConfiguration;
import com.google.walkaround.wave.server.FlagName;
import com.google.walkaround.wave.server.gxp.Admin;
import com.google.walkaround.wave.server.gxp.FlagDisplayRecord;
import com.google.walkaround.wave.server.gxp.FlagsFragment;

import java.io.IOException;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @author ohler@google.com (Christian Ohler)
 */
public class FlagsHandler extends AbstractHandler {

    @Inject
    @Named("raw flag data")
    String rawFlags;
    @Inject
    @FlagConfiguration
    Map<FlagDeclaration, Object> parsedFlags;
    @Inject
    @Flag(FlagName.ANALYTICS_ACCOUNT)
    String analyticsAccount;

    @Override
    public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
        List<FlagDisplayRecord> records = Lists.newArrayListWithCapacity(parsedFlags.size());
        for (Map.Entry<FlagDeclaration, Object> e : parsedFlags.entrySet()) {
            records.add(new FlagDisplayRecord(e.getKey().getName(), "" + e.getKey().getType().getName(),
                    "" + e.getValue()));
        }
        Collections.sort(records, new Comparator<FlagDisplayRecord>() {
            @Override
            public int compare(FlagDisplayRecord a, FlagDisplayRecord b) {
                return a.getName().compareTo(b.getName());
            }
        });

        resp.setContentType("text/html");
        Admin.write(resp.getWriter(), new GxpContext(getLocale(req)), analyticsAccount,
                FlagsFragment.getGxpClosure(records, rawFlags));
    }

}