com.google.cloud.trace.sdk.examples.GetTraceWithServiceAccount.java Source code

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Here is the source code for com.google.cloud.trace.sdk.examples.GetTraceWithServiceAccount.java

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// Copyright 2015 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.cloud.trace.sdk.examples;

import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport;
import com.google.api.client.http.HttpRequestFactory;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.cloud.trace.api.v1.model.Trace;
import com.google.cloud.trace.sdk.CloudTraceReader;
import com.google.cloud.trace.sdk.HttpTransportCloudTraceRequestFactory;
import com.google.cloud.trace.sdk.ServiceAccountCredentialProvider;

import java.io.File;

/**
 * Reads a trace from the Cloud Trace API using an OAuth2 service account.
 * Command-line arguments:
 *   0: The email address of the service account in the Cloud project.
 *   1: Full path to a service account P12 key file.
 *   2: The Cloud Trace API endpoint.
 *   3. The project ID to read the trace from.
 *   4. The trace ID.
 */
public class GetTraceWithServiceAccount {

    public static void main(String[] args) throws Exception {
        ServiceAccountCredentialProvider credentialProvider = new ServiceAccountCredentialProvider();
        credentialProvider.setEmailAddress(args[0]);
        credentialProvider.setP12File(new File(args[1]));

        CloudTraceReader reader = new CloudTraceReader();
        // NetHttpTransport doesn't support HTTP PATCH, but for a GET it's good enough.
        NetHttpTransport httpTransport = GoogleNetHttpTransport.newTrustedTransport();
        HttpRequestFactory requestFactory = httpTransport
                .createRequestFactory(credentialProvider.getCredential(CloudTraceReader.SCOPES));
        reader.setRequestFactory(new HttpTransportCloudTraceRequestFactory(httpTransport, requestFactory));
        reader.setApiEndpoint(args[2]);
        reader.setProjectId(args[3]);
        Trace result = reader.readTraceById(args[4]);
        System.out.println(result);
    }
}