org.apache.inlong.sort.filesystem.shaded.com.amazonaws.arn.ArnResource Maven / Gradle / Ivy
/*
* Copyright 2010-2022 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 com.amazonaws.arn;
import com.amazonaws.util.StringUtils;
import com.amazonaws.util.ValidationUtils;
/**
* An additional model within {@link Arn} that provides the Resource Type, Resource, and
* Resource Qualifier of an AWS ARN when those values are present and correctly formatted
* within an ARN.
*
* If {@link #resourceType} is not present, {@link #resource} will return the entire resource
* as a string the same as {@link Arn#getResource()}.
*/
public class ArnResource {
private final String resourceType;
private final String resource;
private final String qualifier;
private ArnResource(Builder b) {
this.resourceType = b.resourceType;
this.resource = ValidationUtils.assertStringNotEmpty(b.resource, "resource");
this.qualifier = b.qualifier;
}
public String getResourceType() {
return resourceType;
}
public String getResource() {
return resource;
}
public String getQualifier() {
return qualifier;
}
public static Builder builder() {
return new Builder();
}
/**
* Parses a string containing either a resource, resource type and resource or
* resource type, resource and qualifier into an {@link ArnResource}.
*
* Matches:
*
* resource-id
* resource-type:resource-id
* resource-type/resource-id
* resource-type:resource-id:qualifier
* resource-type/resource-id:qualifier
*
* resource-id can be a resource name or a resource path.
*
* @param resource - The resource string to parse.
* @return {@link ArnResource}
*/
public static ArnResource fromString(String resource) {
Integer resourceTypeBoundary = null;
Integer resourceIdBoundary = null;
for (int i = 0; i < resource.length(); ++i) {
char ch = resource.charAt(i);
if (ch == ':' || ch == '/') {
resourceTypeBoundary = i;
break;
}
}
if (resourceTypeBoundary != null) {
for (int i = resource.length() - 1; i > resourceTypeBoundary; --i) {
char ch = resource.charAt(i);
if (ch == ':') {
resourceIdBoundary = i;
break;
}
}
}
if (resourceTypeBoundary == null) {
// 'resource-id'
return ArnResource.builder().withResource(resource).build();
} else if (resourceIdBoundary == null) {
// 'resource-type:resource-id'
String resourceType = resource.substring(0, resourceTypeBoundary);
String resourceId = resource.substring(resourceTypeBoundary + 1);
return ArnResource.builder().withResourceType(resourceType).withResource(resourceId).build();
} else {
// 'resource-type:resource-id:qualifier'
String resourceType = resource.substring(0, resourceTypeBoundary);
String resourceId = resource.substring(resourceTypeBoundary + 1, resourceIdBoundary);
String qualifier = resource.substring(resourceIdBoundary + 1);
return ArnResource.builder()
.withResourceType(resourceType)
.withResource(resourceId)
.withQualifier(qualifier).build();
}
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
if (this.resourceType != null) {
sb.append(this.resourceType);
sb.append(":");
}
sb.append(this.resource);
if (this.qualifier != null) {
sb.append(":");
sb.append(this.qualifier);
}
return sb.toString();
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
ArnResource that = (ArnResource) o;
if (resourceType != null ? !resourceType.equals(that.resourceType) : that.resourceType != null) {
return false;
}
if (!resource.equals(that.resource)) {
return false;
}
return qualifier != null ? qualifier.equals(that.qualifier) : that.qualifier == null;
}
@Override
public int hashCode() {
int result = resourceType != null ? resourceType.hashCode() : 0;
result = 31 * result + resource.hashCode();
result = 31 * result + (qualifier != null ? qualifier.hashCode() : 0);
return result;
}
public static final class Builder {
private String resourceType;
private String resource;
private String qualifier;
private Builder() {
}
public void setResourceType(String resourceType) {
this.resourceType = resourceType;
}
public Builder withResourceType(String resourceType) {
setResourceType(resourceType);
return this;
}
public void setResource(String resource) {
this.resource = resource;
}
public Builder withResource(String resource) {
setResource(resource);
return this;
}
public void setQualifier(String qualifier) {
this.qualifier = qualifier;
}
public Builder withQualifier(String qualifier) {
setQualifier(qualifier);
return this;
}
public ArnResource build() {
return new ArnResource(this);
}
}
}