chore: demo of base changes for google-http-client-apache-v3

google-http-client-apache-v3/pom.xml

@@ -0,0 +1,115 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>com.google.http-client</groupId>
+    <artifactId>google-http-client-parent</artifactId>
+    <version>1.44.3-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <relativePath>../pom.xml</relativePath>
+  </parent>
+  <artifactId>google-http-client-apache-v3</artifactId>
+  <version>1.44.3-SNAPSHOT</version><!-- {x-version-update:google-http-client-apache-v3:current} -->
+  <name>Apache HTTP transport v3 for the Google HTTP Client Library for Java.</name>
+
+  <build>
+    <plugins>
+      <plugin>
+        <artifactId>maven-javadoc-plugin</artifactId>
+        <configuration>
+          <links>
+            <link>https://download.oracle.com/javase/7/docs/api/</link>
+          </links>
+          <doctitle>${project.name} ${project.version}</doctitle>
+          <windowtitle>${project.artifactId} ${project.version}</windowtitle>
+        </configuration>
+      </plugin>
+      <plugin>
+        <artifactId>maven-source-plugin</artifactId>
+      </plugin>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>build-helper-maven-plugin</artifactId>
+        <version>3.3.0</version>
+        <executions>
+          <execution>
+            <id>add-test-source</id>
+            <phase>generate-test-sources</phase>
+            <goals>
+              <goal>add-test-source</goal>
+            </goals>
+            <configuration>
+              <sources>
+                <source>target/generated-test-sources</source>
+              </sources>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <artifactId>maven-jar-plugin</artifactId>
+        <configuration>
+          <archive>
+            <manifestFile>${project.build.outputDirectory}/META-INF/MANIFEST.MF</manifestFile>
+            <manifestEntries>
+              <Automatic-Module-Name>com.google.api.client.http.apache.v3</Automatic-Module-Name>
+            </manifestEntries>
+          </archive>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.felix</groupId>
+        <artifactId>maven-bundle-plugin</artifactId>
+        <version>5.1.9</version>
+        <executions>
+          <execution>
+            <id>bundle-manifest</id>
+            <phase>process-classes</phase>
+            <goals>
+              <goal>manifest</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.13.0</version>
+        <configuration>
+          <source>1.8</source>
+          <target>1.8</target>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+  <dependencies>
+    <dependency>
+      <groupId>com.google.http-client</groupId>
+      <artifactId>google-http-client</artifactId>
+      <exclusions>
+        <exclusion>
+          <groupId>org.apache.httpcomponents</groupId>
+          <artifactId>httpcore</artifactId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.httpcomponents</groupId>
+      <artifactId>httpclient</artifactId>
+      <exclusions>
+        <exclusion>
+          <groupId>org.apache.httpcomponents</groupId>
+          <artifactId>httpcore</artifactId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.httpcomponents.core5</groupId>
+      <artifactId>httpcore5-h2</artifactId>
+      <version>5.2.4</version>
+    </dependency>
+  </dependencies>
+</project>

google-http-client-apache-v3/src/main/java/com/google/api/client/http/apache/v3/ApacheHttpRequest.java

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+/*
+ * Copyright 2024 Google LLC
+ *
+ * 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.api.client.http.apache.v3;
+
+import com.google.api.client.http.LowLevelHttpRequest;
+import com.google.api.client.http.LowLevelHttpResponse;
+import com.google.api.client.util.Preconditions;
+import java.io.IOException;
+import org.apache.http.HttpEntityEnclosingRequest;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.config.RequestConfig;
+import org.apache.http.client.methods.HttpRequestBase;
+
+/** @author Yaniv Inbar */
+final class ApacheHttpRequest extends LowLevelHttpRequest {
+  private final HttpClient httpClient;
+
+  private final HttpRequestBase request;
+
+  private RequestConfig.Builder requestConfig;
+
+  @SuppressWarnings("deprecation")
+  ApacheHttpRequest(HttpClient httpClient, HttpRequestBase request) {
+    this.httpClient = httpClient;
+    this.request = request;
+    // disable redirects as google-http-client handles redirects
+    this.requestConfig =
+        RequestConfig.custom()
+            .setRedirectsEnabled(false)
+            .setNormalizeUri(false)
+            // TODO(chingor): configure in HttpClientBuilder when available
+            .setStaleConnectionCheckEnabled(false);
+  }
+
+  @Override
+  public void addHeader(String name, String value) {
+    request.addHeader(name, value);
+  }
+
+  @Override
+  public void setTimeout(int connectTimeout, int readTimeout) throws IOException {
+    requestConfig.setConnectTimeout(connectTimeout).setSocketTimeout(readTimeout);
+  }
+
+  @Override
+  public LowLevelHttpResponse execute() throws IOException {
+    if (getStreamingContent() != null) {
+      Preconditions.checkState(
+          request instanceof HttpEntityEnclosingRequest,
+          "Apache HTTP client does not support %s requests with content.",
+          request.getRequestLine().getMethod());
+      ContentEntity entity = new ContentEntity(getContentLength(), getStreamingContent());
+      entity.setContentEncoding(getContentEncoding());
+      entity.setContentType(getContentType());
+      if (getContentLength() == -1) {
+        entity.setChunked(true);
+      }
+      ((HttpEntityEnclosingRequest) request).setEntity(entity);
+    }
+    request.setConfig(requestConfig.build());
+    return new ApacheHttpResponse(request, httpClient.execute(request));
+  }
+}

google-http-client-apache-v3/src/main/java/com/google/api/client/http/apache/v3/ApacheHttpResponse.java

@@ -0,0 +1,120 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * 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.api.client.http.apache.v3;
+
+import com.google.api.client.http.LowLevelHttpResponse;
+import java.io.IOException;
+import java.io.InputStream;
+import org.apache.http.Header;
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpResponse;
+import org.apache.http.StatusLine;
+import org.apache.http.client.methods.HttpRequestBase;
+
+final class ApacheHttpResponse extends LowLevelHttpResponse {
+
+  private final HttpRequestBase request;
+  private final HttpResponse response;
+  private final Header[] allHeaders;
+
+  ApacheHttpResponse(HttpRequestBase request, HttpResponse response) {
+    this.request = request;
+    this.response = response;
+    allHeaders = response.getAllHeaders();
+  }
+
+  @Override
+  public int getStatusCode() {
+    StatusLine statusLine = response.getStatusLine();
+    return statusLine == null ? 0 : statusLine.getStatusCode();
+  }
+
+  @Override
+  public InputStream getContent() throws IOException {
+    HttpEntity entity = response.getEntity();
+    return entity == null ? null : entity.getContent();
+  }
+
+  @Override
+  public String getContentEncoding() {
+    HttpEntity entity = response.getEntity();
+    if (entity != null) {
+      Header contentEncodingHeader = entity.getContentEncoding();
+      if (contentEncodingHeader != null) {
+        return contentEncodingHeader.getValue();
+      }
+    }
+    return null;
+  }
+
+  @Override
+  public long getContentLength() {
+    HttpEntity entity = response.getEntity();
+    return entity == null ? -1 : entity.getContentLength();
+  }
+
+  @Override
+  public String getContentType() {
+    HttpEntity entity = response.getEntity();
+    if (entity != null) {
+      Header contentTypeHeader = entity.getContentType();
+      if (contentTypeHeader != null) {
+        return contentTypeHeader.getValue();
+      }
+    }
+    return null;
+  }
+
+  @Override
+  public String getReasonPhrase() {
+    StatusLine statusLine = response.getStatusLine();
+    return statusLine == null ? null : statusLine.getReasonPhrase();
+  }
+
+  @Override
+  public String getStatusLine() {
+    StatusLine statusLine = response.getStatusLine();
+    return statusLine == null ? null : statusLine.toString();
+  }
+
+  public String getHeaderValue(String name) {
+    return response.getLastHeader(name).getValue();
+  }
+
+  @Override
+  public int getHeaderCount() {
+    return allHeaders.length;
+  }
+
+  @Override
+  public String getHeaderName(int index) {
+    return allHeaders[index].getName();
+  }
+
+  @Override
+  public String getHeaderValue(int index) {
+    return allHeaders[index].getValue();
+  }
+
+  /**
+   * Aborts execution of the request.
+   *
+   * @since 1.30
+   */
+  @Override
+  public void disconnect() {
+    request.abort();
+  }
+}