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* #23870 : Add pagination info to the API response. * As per Freddy Montes' feedback, removing the unnecessary value for the `x-pagination-link-pages` header. * Implementing SonarQube feedback.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| package com.dotcms.rest; | ||
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| import com.fasterxml.jackson.annotation.JsonProperty; | ||
| import com.fasterxml.jackson.databind.annotation.JsonDeserialize; | ||
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| import java.io.Serializable; | ||
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| /** | ||
| * Provides pagination data associated to the entity returned by any dotCMS REST Endpoint. This way, developers can | ||
| * still access pagination data even when accessing our APIs through proxies that may remove the already existing | ||
| * pagination headers. | ||
| * | ||
| * @author Jose Castro | ||
| * @since Mar 3rd, 2023 | ||
| */ | ||
| @JsonDeserialize(builder = Pagination.Builder.class) | ||
| public class Pagination implements Serializable { | ||
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| private final int currentPage; | ||
| private final int perPage; | ||
| private final long totalEntries; | ||
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| /** | ||
| * Private constructor used to create an instance of this class. | ||
| * | ||
| * @param builder The {@link Builder} class for the pagination object. | ||
| */ | ||
| private Pagination(final Builder builder) { | ||
| this.currentPage = builder.currentPage; | ||
| this.perPage = builder.perPage; | ||
| this.totalEntries = builder.totalEntries; | ||
| } | ||
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| public int getCurrentPage() { | ||
| return this.currentPage; | ||
| } | ||
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| public int getPerPage() { | ||
| return this.perPage; | ||
| } | ||
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| public long getTotalEntries() { | ||
| return this.totalEntries; | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return "Pagination{" + "currentPage=" + this.currentPage + ", perPage=" + this.perPage + ", totalEntries=" + this.totalEntries + '}'; | ||
| } | ||
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| /** | ||
| * This builder allows you to create an instance of the {@link Pagination} class. | ||
| */ | ||
| public static class Builder { | ||
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| @JsonProperty | ||
| private int currentPage; | ||
| @JsonProperty | ||
| private int perPage; | ||
| @JsonProperty | ||
| private long totalEntries; | ||
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| /** | ||
| * Returns the currently selected results page, or the first one if not specified. | ||
| * | ||
| * @param currentPage The current results page. | ||
| * | ||
| * @return The current {@link Builder} instance. | ||
| */ | ||
| public Builder currentPage(int currentPage) { | ||
| this.currentPage = currentPage; | ||
| return this; | ||
| } | ||
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| /** | ||
| * The maximum number of items that are included in a results page. | ||
| * | ||
| * @param perPage The maximum number of returned items. | ||
| * | ||
| * @return The current {@link Builder} instance. | ||
| */ | ||
| public Builder perPage(int perPage) { | ||
| this.perPage = perPage; | ||
| return this; | ||
| } | ||
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| /** | ||
| * The total number of results for a given data query. That is, the total list of <b>unfiltered items</b> for a | ||
| * given query. | ||
| * | ||
| * @param totalEntries The total number of results. | ||
| * | ||
| * @return The current {@link Builder} instance. | ||
| */ | ||
| public Builder totalEntries(long totalEntries) { | ||
| this.totalEntries = totalEntries; | ||
| return this; | ||
| } | ||
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| /** | ||
| * Creates an instance of the {@link Pagination} class. | ||
| * | ||
| * @return A new instance of the {@link Pagination} class. | ||
| */ | ||
| public Pagination build() { | ||
| return new Pagination(this); | ||
| } | ||
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| } | ||
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| } |
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