com.google.gerrit.server.plugins.EnablePlugin.java Source code

Introduction

Here is the source code for com.google.gerrit.server.plugins.EnablePlugin.java

Source

// Copyright (C) 2012 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.plugins;

import com.google.common.collect.ImmutableSet;
import com.google.gerrit.common.data.GlobalCapability;
import com.google.gerrit.extensions.annotations.RequiresCapability;
import com.google.gerrit.extensions.restapi.ResourceConflictException;
import com.google.gerrit.extensions.restapi.RestModifyView;
import com.google.gerrit.server.plugins.EnablePlugin.Input;
import com.google.inject.Inject;

import java.io.PrintWriter;
import java.io.StringWriter;

@RequiresCapability(GlobalCapability.ADMINISTRATE_SERVER)
class EnablePlugin implements RestModifyView<PluginResource, Input> {
    static class Input {
    }

    private final PluginLoader loader;

    @Inject
    EnablePlugin(PluginLoader loader) {
        this.loader = loader;
    }

    @Override
    public Object apply(PluginResource resource, Input input) throws ResourceConflictException {
        String name = resource.getName();
        try {
            loader.enablePlugins(ImmutableSet.of(name));
        } catch (PluginInstallException e) {
            StringWriter buf = new StringWriter();
            buf.write(String.format("cannot enable %s\n", name));
            PrintWriter pw = new PrintWriter(buf);
            e.printStackTrace(pw);
            pw.flush();
            throw new ResourceConflictException(buf.toString());
        }
        return new ListPlugins.PluginInfo(loader.get(name));
    }
}