| /* |
| * 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 extends HttpRequest> R bindToRequest(R request, Object input) { |
| if (checkNotNull(input, "input") instanceof Map) { |
| Builder<Object, Object, Object> 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<String, String> 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<String, String> forms = Multimaps.forMap(builder.build()); |
| return forms.isEmpty() ? request : (R) request.toBuilder().replaceFormParams(forms).build(); |
| } |
| |
| } |