mv com/google/domain/registry google/registry

This change renames directories in preparation for the great package
rename. The repository is now in a broken state because the code
itself hasn't been updated. However this should ensure that git
correctly preserves history for each file.

java/google/registry/tools/ListObjectsCommand.java

@@ -0,0 +1,141 @@
+// Copyright 2016 The Domain Registry Authors. 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.domain.registry.tools;
+
+import static com.google.domain.registry.security.JsonHttp.JSON_SAFETY_PREFIX;
+import static com.google.domain.registry.tools.server.ListObjectsAction.FIELDS_PARAM;
+import static com.google.domain.registry.tools.server.ListObjectsAction.FULL_FIELD_NAMES_PARAM;
+import static com.google.domain.registry.tools.server.ListObjectsAction.PRINT_HEADER_ROW_PARAM;
+
+import com.google.common.base.VerifyException;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.net.MediaType;
+import com.google.domain.registry.tools.Command.RemoteApiCommand;
+
+import com.beust.jcommander.Parameter;
+
+import org.json.simple.JSONValue;
+
+import java.util.List;
+import java.util.Map;
+
+import javax.annotation.Nullable;
+
+/**
+ * Abstract base class for commands that list objects by calling a server task.
+ *
+ * <p>The formatting is done on the server side; this class just dumps the results to the screen.
+ */
+abstract class ListObjectsCommand implements RemoteApiCommand, ServerSideCommand {
+
+  @Nullable
+  @Parameter(
+      names = {"-f", "--fields"},
+      description = "Comma-separated list of fields to show for each object listed")
+  private String fields;
+
+  @Nullable
+  @Parameter(
+      names = {"--header"},
+      description = "Whether or not to print a header row for the resulting output - default is to "
+          + "only print headers when more than one column is output",
+      arity = 1)
+  private Boolean printHeaderRow;
+
+  @Parameter(
+      names = {"--full_field_names"},
+      description = "Whether to print full field names in header row (as opposed to aliases)")
+  private boolean fullFieldNames = false;
+
+  private Connection connection;
+
+  @Override
+  public void setConnection(Connection connection) {
+    this.connection = connection;
+  }
+
+  /** Returns the path to the servlet task. */
+  abstract String getCommandPath();
+
+  /** Returns a map of parameters to be sent to the server
+   * (in addition to the usual ones). */
+  @Nullable
+  ImmutableMap<String, Object> getParameterMap() {
+    return null;
+  }
+
+  @Override
+  public void run() throws Exception {
+    ImmutableMap.Builder<String, Object> params = ImmutableMap.<String, Object>builder();
+    if (fields != null) {
+      params.put(FIELDS_PARAM, fields);
+    }
+    if (printHeaderRow != null) {
+      params.put(PRINT_HEADER_ROW_PARAM, printHeaderRow);
+    }
+    if (fullFieldNames) {
+      params.put(FULL_FIELD_NAMES_PARAM, Boolean.TRUE);
+    }
+    ImmutableMap<String, Object> extraParams = getParameterMap();
+    if (extraParams != null) {
+      params.putAll(extraParams);
+    }
+    // Call the server and get the response data.
+    String response = connection.send(
+        getCommandPath(),
+        params.build(),
+        MediaType.PLAIN_TEXT_UTF_8,
+        new byte[0]);
+    // Parse the returned JSON and make sure it's a map.
+    Object obj = JSONValue.parse(response.substring(JSON_SAFETY_PREFIX.length()));
+    if (!(obj instanceof Map<?, ?>)) {
+      throw new VerifyException("Server returned unexpected JSON: " + response);
+    }
+    @SuppressWarnings("unchecked")
+    Map<String, Object> responseMap = (Map<String, Object>) obj;
+    // Get the status.
+    obj = responseMap.get("status");
+    if (obj == null) {
+      throw new VerifyException("Server returned no status");
+    }
+    if (!(obj instanceof String)) {
+      throw new VerifyException("Server returned non-string status");
+    }
+    String status = (String) obj;
+    // Handle errors.
+    if (status.equals("error")) {
+      obj = responseMap.get("error");
+      if (obj == null) {
+        throw new VerifyException("Server returned no error message");
+      }
+      System.out.println(obj);
+    // Handle success.
+    } else if (status.equals("success")) {
+      obj = responseMap.get("lines");
+      if (obj == null) {
+        throw new VerifyException("Server returned no response data");
+      }
+      if (!(obj instanceof List<?>)) {
+        throw new VerifyException("Server returned unexpected response data");
+      }
+      for (Object lineObj : (List<?>) obj) {
+        System.out.println(lineObj);
+      }
+    // Handle unexpected status values.
+    } else {
+      throw new VerifyException("Server returned unexpected status");
+    }
+  }
+}