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MethodMetadata.java
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216 lines (181 loc) · 5.63 KB
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/**
* Copyright 2012-2019 The Feign Authors
*
* 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 feign;
import java.io.Serializable;
import java.lang.reflect.Type;
import java.util.*;
import feign.Param.Expander;
public final class MethodMetadata implements Serializable {
private static final long serialVersionUID = 1L;
private String configKey;
private transient Type returnType;
private Integer urlIndex;
private Integer bodyIndex;
private Integer headerMapIndex;
private Integer queryMapIndex;
private boolean queryMapEncoded;
private transient Type bodyType;
private RequestTemplate template = new RequestTemplate();
private List<String> formParams = new ArrayList<String>();
private Map<Integer, Collection<String>> indexToName =
new LinkedHashMap<Integer, Collection<String>>();
private Map<Integer, Class<? extends Expander>> indexToExpanderClass =
new LinkedHashMap<Integer, Class<? extends Expander>>();
private Map<Integer, Boolean> indexToEncoded = new LinkedHashMap<Integer, Boolean>();
private transient Map<Integer, Expander> indexToExpander;
private BitSet parameterToIgnore = new BitSet();
private boolean ignored;
MethodMetadata() {}
/**
* Used as a reference to this method. For example, {@link Logger#log(String, String, Object...)
* logging} or {@link ReflectiveFeign reflective dispatch}.
*
* @see Feign#configKey(Class, java.lang.reflect.Method)
*/
public String configKey() {
return configKey;
}
public MethodMetadata configKey(String configKey) {
this.configKey = configKey;
return this;
}
public Type returnType() {
return returnType;
}
public MethodMetadata returnType(Type returnType) {
this.returnType = returnType;
return this;
}
public Integer urlIndex() {
return urlIndex;
}
public MethodMetadata urlIndex(Integer urlIndex) {
this.urlIndex = urlIndex;
return this;
}
public Integer bodyIndex() {
return bodyIndex;
}
public MethodMetadata bodyIndex(Integer bodyIndex) {
this.bodyIndex = bodyIndex;
return this;
}
public Integer headerMapIndex() {
return headerMapIndex;
}
public MethodMetadata headerMapIndex(Integer headerMapIndex) {
this.headerMapIndex = headerMapIndex;
return this;
}
public Integer queryMapIndex() {
return queryMapIndex;
}
public MethodMetadata queryMapIndex(Integer queryMapIndex) {
this.queryMapIndex = queryMapIndex;
return this;
}
public boolean queryMapEncoded() {
return queryMapEncoded;
}
public MethodMetadata queryMapEncoded(boolean queryMapEncoded) {
this.queryMapEncoded = queryMapEncoded;
return this;
}
/**
* Type corresponding to {@link #bodyIndex()}.
*/
public Type bodyType() {
return bodyType;
}
public MethodMetadata bodyType(Type bodyType) {
this.bodyType = bodyType;
return this;
}
public RequestTemplate template() {
return template;
}
public List<String> formParams() {
return formParams;
}
public Map<Integer, Collection<String>> indexToName() {
return indexToName;
}
public Map<Integer, Boolean> indexToEncoded() {
return indexToEncoded;
}
/**
* If {@link #indexToExpander} is null, classes here will be instantiated by newInstance.
*/
public Map<Integer, Class<? extends Expander>> indexToExpanderClass() {
return indexToExpanderClass;
}
/**
* After {@link #indexToExpanderClass} is populated, this is set by contracts that support runtime
* injection.
*/
public MethodMetadata indexToExpander(Map<Integer, Expander> indexToExpander) {
this.indexToExpander = indexToExpander;
return this;
}
/**
* When not null, this value will be used instead of {@link #indexToExpander()}.
*/
public Map<Integer, Expander> indexToExpander() {
return indexToExpander;
}
/**
* @param i individual parameter that should be ignored
* @return this instance
*/
public MethodMetadata ignoreParamater(int i) {
this.parameterToIgnore.set(i);
return this;
}
public BitSet parameterToIgnore() {
return parameterToIgnore;
}
public MethodMetadata parameterToIgnore(BitSet parameterToIgnore) {
this.parameterToIgnore = parameterToIgnore;
return this;
}
/**
* @param i individual parameter to check if should be ignored
* @return true when field should not be processed by feign
*/
public boolean shouldIgnoreParamater(int i) {
return parameterToIgnore.get(i);
}
/**
* @param index
* @return true if the parameter {@code index} was already consumed by a any
* {@link MethodMetadata} holder
*/
public boolean isAlreadyProcessed(Integer index) {
return index.equals(urlIndex)
|| index.equals(bodyIndex)
|| index.equals(headerMapIndex)
|| index.equals(queryMapIndex)
|| indexToName.containsKey(index)
|| indexToExpanderClass.containsKey(index)
|| indexToEncoded.containsKey(index)
|| (indexToExpander != null && indexToExpander.containsKey(index))
|| parameterToIgnore.get(index);
}
public void ignoreMethod() {
this.ignored = true;
}
public boolean isIgnored() {
return ignored;
}
}