software.amazon.awssdk.services.ivschat.endpoints.internal.Rule Maven / Gradle / Ivy
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The AWS Java SDK for Ivschat module holds the client classes that are used for
communicating with Ivschat.
/*
* Copyright Amazon.com, Inc. or its affiliates. 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. A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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 software.amazon.awssdk.services.ivschat.endpoints.internal;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import software.amazon.awssdk.annotations.SdkInternalApi;
import software.amazon.awssdk.protocols.jsoncore.JsonNode;
@SdkInternalApi
public abstract class Rule {
public static final String CONDITIONS = "conditions";
public static final String DOCUMENTATION = "documentation";
public static final String ENDPOINT = "endpoint";
public static final String ERROR = "error";
public static final String TREE = "tree";
public static final String RULES = "rules";
public static final String TYPE = "type";
protected final List conditions;
protected final String documentation;
protected Rule(Builder builder) {
this.conditions = builder.conditions;
this.documentation = builder.documentation;
}
public List getConditions() {
return conditions;
}
public abstract T accept(RuleValueVisitor v);
public static Rule fromNode(JsonNode node) {
Map objNode = node.asObject();
Builder builder = builder();
objNode.get(CONDITIONS).asArray().forEach(cn -> builder.addCondition(Condition.fromNode(cn)));
JsonNode documentation = objNode.get(DOCUMENTATION);
if (documentation != null) {
builder.documentation(documentation.asString());
}
String type = objNode.get(TYPE).asString();
switch (type) {
case ENDPOINT:
return builder.endpoint(EndpointResult.fromNode(objNode.get(ENDPOINT)));
case ERROR:
return builder.error(objNode.get(ERROR).asString());
case TREE:
return builder.treeRule(objNode.get(RULES).asArray().stream().map(Rule::fromNode).collect(Collectors.toList()));
default:
throw new IllegalStateException("Unexpected rule type: " + type);
}
}
public static Builder builder() {
return new Builder();
}
public static class Builder {
private String documentation;
private final List conditions = new ArrayList<>();
public Builder addCondition(Condition condition) {
this.conditions.add(condition);
return this;
}
public Builder documentation(String documentation) {
this.documentation = documentation;
return this;
}
public EndpointRule endpoint(EndpointResult endpoint) {
return new EndpointRule(this, endpoint);
}
public ErrorRule error(String error) {
return new ErrorRule(this, Literal.fromStr(error));
}
public TreeRule treeRule(List rules) {
return new TreeRule(this, rules);
}
}
}
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