com.google.gerrit.server.group.PutDescription.java Source code

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Here is the source code for com.google.gerrit.server.group.PutDescription.java

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// Copyright (C) 2013 The Android Open Source Project
//
// 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.gerrit.server.group;

import com.google.common.base.Strings;
import com.google.gerrit.common.errors.NoSuchGroupException;
import com.google.gerrit.extensions.restapi.AuthException;
import com.google.gerrit.extensions.restapi.DefaultInput;
import com.google.gerrit.extensions.restapi.MethodNotAllowedException;
import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
import com.google.gerrit.extensions.restapi.Response;
import com.google.gerrit.extensions.restapi.RestModifyView;
import com.google.gerrit.reviewdb.client.AccountGroup;
import com.google.gerrit.reviewdb.server.ReviewDb;
import com.google.gerrit.server.account.GroupCache;
import com.google.gerrit.server.group.PutDescription.Input;
import com.google.gwtorm.server.OrmException;
import com.google.inject.Inject;

import java.util.Collections;

public class PutDescription implements RestModifyView<GroupResource, Input> {
    static class Input {
        @DefaultInput
        String description;
    }

    private final GroupCache groupCache;
    private final ReviewDb db;

    @Inject
    PutDescription(GroupCache groupCache, ReviewDb db) {
        this.groupCache = groupCache;
        this.db = db;
    }

    @Override
    public Object apply(GroupResource resource, Input input) throws MethodNotAllowedException, AuthException,
            NoSuchGroupException, ResourceNotFoundException, OrmException {
        if (input == null) {
            input = new Input(); // Delete would set description to null.
        }

        if (resource.toAccountGroup() == null) {
            throw new MethodNotAllowedException();
        } else if (!resource.getControl().isOwner()) {
            throw new AuthException("Not group owner");
        }

        AccountGroup group = db.accountGroups().get(resource.toAccountGroup().getId());
        if (group == null) {
            throw new ResourceNotFoundException();
        }

        group.setDescription(Strings.emptyToNull(input.description));
        db.accountGroups().update(Collections.singleton(group));
        groupCache.evict(group);

        return Strings.isNullOrEmpty(input.description) ? Response.none() : input.description;
    }
}