mirror of https://github.com/apache/jclouds.git
added base binders for indexing amazon apis
This commit is contained in:
Adrian Cole
parent
2984626b9c
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/**
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* Licensed to jclouds, Inc. (jclouds) under one or more
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* contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. jclouds licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.jclouds.aws.binders;
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import static com.google.common.base.Preconditions.checkArgument;
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import static com.google.common.base.Preconditions.checkNotNull;
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import static java.lang.String.format;
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import java.util.Map;
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import java.util.Map.Entry;
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import org.jclouds.http.HttpRequest;
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import org.jclouds.rest.Binder;
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import com.google.common.base.Function;
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import com.google.common.collect.ImmutableMap;
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import com.google.common.collect.Maps;
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import com.google.common.collect.Multimap;
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import com.google.common.collect.Multimaps;
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/**
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* @author Adrian Cole
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*/
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public class BindMapToIndexedFormParams implements Binder {
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private final String keyPattern;
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private final String valuePattern;
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protected BindMapToIndexedFormParams(String keyPattern, String valuePattern) {
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this.keyPattern = keyPattern;
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this.valuePattern = valuePattern;
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}
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@SuppressWarnings("unchecked")
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@Override
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public <R extends HttpRequest> R bindToRequest(R request, Object input) {
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if (checkNotNull(input, "input") instanceof Iterable)
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input = Maps.uniqueIndex((Iterable<String>) input, new Function<String, String>() {
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int index = 1;
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@Override
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public String apply(String input) {
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return index++ + "";
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}
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});
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checkArgument(checkNotNull(input, "input") instanceof Map, "this binder is only valid for Map");
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Map<String, String> mapping = (Map<String, String>) input;
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ImmutableMap.Builder<String, String> builder = ImmutableMap.builder();
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int amazonOneBasedIndex = 1; // according to docs, counters must start
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// with 1
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for (Entry<String, String> entry : mapping.entrySet()) {
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// not null by contract
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builder.put(format(keyPattern, amazonOneBasedIndex), entry.getKey());
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builder.put(format(valuePattern, amazonOneBasedIndex), entry.getValue());
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amazonOneBasedIndex++;
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}
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Multimap<String, String> forms = Multimaps.forMap(builder.build());
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return forms.size() == 0 ? request : (R) request.toBuilder().replaceFormParams(forms).build();
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}
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}
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@ -0,0 +1,81 @@
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/**
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* Licensed to jclouds, Inc. (jclouds) under one or more
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* contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. jclouds licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.jclouds.aws.binders;
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import static com.google.common.base.Preconditions.checkArgument;
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import static com.google.common.base.Preconditions.checkNotNull;
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import static java.lang.String.format;
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import java.util.Map;
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import org.jclouds.http.HttpRequest;
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import org.jclouds.rest.Binder;
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import com.google.common.collect.ImmutableMap;
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import com.google.common.collect.ImmutableTable;
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import com.google.common.collect.ImmutableTable.Builder;
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import com.google.common.collect.Multimap;
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import com.google.common.collect.Multimaps;
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import com.google.common.collect.Table;
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import com.google.common.collect.Table.Cell;
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/**
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* @author Adrian Cole
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*/
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public class BindTableToIndexedFormParams implements Binder {
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private final String rowPattern;
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private final String columnPattern;
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private final String valuePattern;
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protected BindTableToIndexedFormParams(String rowPattern, String columnPattern, String valuePattern) {
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this.rowPattern = rowPattern;
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this.columnPattern = columnPattern;
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this.valuePattern = valuePattern;
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}
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@SuppressWarnings("unchecked")
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@Override
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public <R extends HttpRequest> R bindToRequest(R request, Object input) {
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if (checkNotNull(input, "input") instanceof Map) {
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Builder<Object, Object, Object> builder = ImmutableTable.builder();
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int index = 1;
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for (Map.Entry<?, ?> entry : ((Map<?, ?>) input).entrySet())
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builder.put(index++, entry.getKey(), entry.getValue());
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input = builder.build();
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}
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checkArgument(checkNotNull(input, "input") instanceof Table, "this binder is only valid for Table");
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Table<?, ?, ?> table = Table.class.cast(input);
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ImmutableMap.Builder<String, String> builder = ImmutableMap.builder();
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int amazonOneBasedIndex = 1; // according to docs, counters must start
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// with 1
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for (Cell<?, ?, ?> cell : table.cellSet()) {
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// not null by contract
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builder.put(format(rowPattern, amazonOneBasedIndex), cell.getRowKey().toString());
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builder.put(format(columnPattern, amazonOneBasedIndex), cell.getColumnKey().toString());
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builder.put(format(valuePattern, amazonOneBasedIndex), cell.getValue().toString());
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amazonOneBasedIndex++;
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}
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Multimap<String, String> forms = Multimaps.forMap(builder.build());
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return forms.size() == 0 ? request : (R) request.toBuilder().replaceFormParams(forms).build();
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}
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}
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