org.jclouds.aws.binders.BindTableToIndexedFormParams Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of sts Show documentation
jclouds components to access an implementation of Security Token Service (STS)
There is a newer version: 2.6.0
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.jclouds.aws.binders;

import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static java.lang.String.format;

import java.util.Map;

import org.jclouds.http.HttpRequest;
import org.jclouds.rest.Binder;

import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableTable;
import com.google.common.collect.ImmutableTable.Builder;
import com.google.common.collect.Multimap;
import com.google.common.collect.Multimaps;
import com.google.common.collect.Table;
import com.google.common.collect.Table.Cell;

public class BindTableToIndexedFormParams implements Binder {

   private final String rowPattern;
   private final String columnPattern;
   private final String valuePattern;

   protected BindTableToIndexedFormParams(String rowPattern, String columnPattern, String valuePattern) {
      this.rowPattern = rowPattern;
      this.columnPattern = columnPattern;
      this.valuePattern = valuePattern;
   }

   @SuppressWarnings("unchecked")
   @Override
   public  R bindToRequest(R request, Object input) {
      if (checkNotNull(input, "input") instanceof Map) {
         Builder builder = ImmutableTable.builder();
         int index = 1;
         for (Map.Entry entry : ((Map) input).entrySet())
            builder.put(index++, entry.getKey(), entry.getValue());
         input = builder.build();
      }
      checkArgument(checkNotNull(input, "input") instanceof Table, "this binder is only valid for Table");
      Table table = Table.class.cast(input);

      ImmutableMap.Builder builder = ImmutableMap.builder();
      int amazonOneBasedIndex = 1; // according to docs, counters must start
                                   // with 1
      for (Cell cell : table.cellSet()) {
         // not null by contract
         builder.put(format(rowPattern, amazonOneBasedIndex), cell.getRowKey().toString());
         builder.put(format(columnPattern, amazonOneBasedIndex), cell.getColumnKey().toString());
         builder.put(format(valuePattern, amazonOneBasedIndex), cell.getValue().toString());

         amazonOneBasedIndex++;
      }
      Multimap forms = Multimaps.forMap(builder.build());
      return forms.isEmpty() ? request : (R) request.toBuilder().replaceFormParams(forms).build();
   }

}