src.samples.java.ex.HCP_Sample Maven / Gradle / Ivy

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An auxiliary findbugs.sourceforge.net plugin for java bug detectors that fall outside the narrow scope of detectors to be packaged with the product itself.
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package ex;

import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;

import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;

public class HCP_Sample {

    private static CloseableHttpClient client = HttpClients.createDefault();

    public void forgotToResetGet() throws URISyntaxException {
        // tag HCP_HTTP_REQUEST_RESOURCES_NOT_FREED_LOCAL
        HttpGet httpGet = new HttpGet(new URI("http://www.example.com"));

        try {
            try (CloseableHttpResponse response = client.execute(httpGet);) {
                System.out.println("response: " + response);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public void forgotToResetPut() throws URISyntaxException {
        // tag HCP_HTTP_REQUEST_RESOURCES_NOT_FREED_LOCAL
        HttpPut httpPut = new HttpPut(new URI("http://www.example.com"));
        try {
            StringEntity content = new StringEntity("Some random content");
            content.setContentType("application/json");

            httpPut.setEntity(content);
            try (CloseableHttpResponse response = client.execute(httpPut);) {
                System.out.println("response: " + response);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public void resetGet1() throws URISyntaxException {
        // no tag
        HttpGet httpGet = new HttpGet(new URI("http://www.example.com"));
        try {
            try (CloseableHttpResponse response = client.execute(httpGet);) {
                System.out.println("response: " + response);
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            httpGet.reset();
        }
    }

    public void resetGet2() throws URISyntaxException {
        // no tag
        HttpGet httpGet = new HttpGet(new URI("http://www.example.com"));
        try {
            try (CloseableHttpResponse response = client.execute(httpGet);) {
                System.out.println("response: " + response);
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            httpGet.releaseConnection();
        }
    }

    public void resetPut1() throws URISyntaxException {
        // no tag
        HttpPut httpPut = new HttpPut(new URI("http://www.example.com"));
        try {
            StringEntity content = new StringEntity("Some random content");
            content.setContentType("application/json");

            httpPut.setEntity(content);
            try (CloseableHttpResponse response = client.execute(httpPut);) {
                System.out.println("response: " + response);
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            httpPut.reset();
        }
    }

    public void resetPut2() throws URISyntaxException {
        // no tag
        HttpPut httpPut = new HttpPut(new URI("http://www.example.com"));
        try {
            StringEntity content = new StringEntity("Some random content");
            content.setContentType("application/json");

            httpPut.setEntity(content);
            try (CloseableHttpResponse response = client.execute(httpPut);) {
                System.out.println("response: " + response);
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            httpPut.releaseConnection();
        }
    }

    // tag HCP_HTTP_REQUEST_RESOURCES_NOT_FREED_FIELD
    private static HttpPost httpPost;

    public static void main() throws URISyntaxException {

        httpPost = new HttpPost(new URI("http://www.example.com"));
        System.out.println(httpPost + " is ready to be called");
        try {
            StringEntity content = new StringEntity("Some random content");
            content.setContentType("application/json");

            httpPost.setEntity(content);
            try (CloseableHttpResponse response = client.execute(httpPost);) {
                System.out.println("response: " + response);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}