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- included DeserializeablePage for Page interface deserialization
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| .idea/* | ||
| *.iml | ||
| /.fbExcludeFilterFile | ||
| /bin | ||
| .pmd | ||
| .pmdruleset.xml | ||
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213 changes: 213 additions & 0 deletions
213
...tegration/src/main/java/de/knightsoftnet/gwtp/spring/shared/data/DeserializeablePage.java
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| package de.knightsoftnet.gwtp.spring.shared.data; | ||
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| import org.eclipse.jetty.client.util.DeferredContentProvider.Chunk; | ||
| import org.springframework.data.domain.Page; | ||
| import org.springframework.data.domain.PageImpl; | ||
| import org.springframework.data.domain.PageRequest; | ||
| import org.springframework.data.domain.Pageable; | ||
| import org.springframework.data.domain.Sort; | ||
| import org.springframework.util.Assert; | ||
| import org.springframework.util.CollectionUtils; | ||
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| import java.util.ArrayList; | ||
| import java.util.Iterator; | ||
| import java.util.List; | ||
| import java.util.function.Function; | ||
| import java.util.stream.Collectors; | ||
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| /** | ||
| * Deserializeable {@code Page} implementation. | ||
| * | ||
| * @param <T> the type of which the page consists. | ||
| */ | ||
| public class DeserializeablePage<T> implements Page<T> { | ||
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| private int number; | ||
| private int size; | ||
| private int totalPages; | ||
| private int numberOfElements; | ||
| private long totalElements; | ||
| private boolean previousPage; | ||
| private boolean first; | ||
| private boolean nextPage; | ||
| private boolean last; | ||
| private List<T> content; | ||
| private Sort sort; | ||
| // private Pageable pageable; | ||
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| @SuppressWarnings("PMD.UnusedFormalParameter") | ||
| public DeserializeablePage(final List<T> content, final Pageable pageable, final long total) { | ||
| this.content = content; | ||
| // this.pageable = pageable; | ||
| this.totalElements = total; | ||
| } | ||
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| public DeserializeablePage(final List<T> content) { | ||
| this(content, Pageable.unpaged(), null == content ? 0 : content.size()); | ||
| } | ||
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| public DeserializeablePage() { | ||
| this(new ArrayList<T>()); | ||
| } | ||
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| public PageImpl<T> pageImpl() { | ||
| return new PageImpl<>(getContent(), PageRequest.of(getNumber(), getSize(), getSort()), | ||
| getTotalElements()); | ||
| } | ||
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| @Override | ||
| public final int getNumber() { | ||
| return this.number; | ||
| } | ||
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| public final void setNumber(final int pnumber) { | ||
| this.number = pnumber; | ||
| } | ||
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| @Override | ||
| public final int getSize() { | ||
| return this.size; | ||
| } | ||
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| public final void setSize(final int psize) { | ||
| this.size = psize; | ||
| } | ||
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| @Override | ||
| public final int getTotalPages() { | ||
| return this.totalPages; | ||
| } | ||
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| public final void setTotalPages(final int ptotalPages) { | ||
| this.totalPages = ptotalPages; | ||
| } | ||
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| @Override | ||
| public final int getNumberOfElements() { | ||
| return this.numberOfElements; | ||
| } | ||
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| public final void setNumberOfElements(final int pnumberOfElements) { | ||
| this.numberOfElements = pnumberOfElements; | ||
| } | ||
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| @Override | ||
| public final long getTotalElements() { | ||
| return this.totalElements; | ||
| } | ||
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| public final void setTotalElements(final long ptotalElements) { | ||
| this.totalElements = ptotalElements; | ||
| } | ||
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| public final boolean isPreviousPage() { | ||
| return this.previousPage; | ||
| } | ||
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| public final void setPreviousPage(final boolean ppreviousPage) { | ||
| this.previousPage = ppreviousPage; | ||
| } | ||
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| @Override | ||
| public final boolean isFirst() { | ||
| return this.first; | ||
| } | ||
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| public final void setFirst(final boolean pfirst) { | ||
| this.first = pfirst; | ||
| } | ||
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| public final boolean isNextPage() { | ||
| return this.nextPage; | ||
| } | ||
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| public final void setNextPage(final boolean pnextPage) { | ||
| this.nextPage = pnextPage; | ||
| } | ||
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| @Override | ||
| public final boolean isLast() { | ||
| return this.last; | ||
| } | ||
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| public final void setLast(final boolean plast) { | ||
| this.last = plast; | ||
| } | ||
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| @Override | ||
| public final List<T> getContent() { | ||
| return this.content; | ||
| } | ||
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| public final void setContent(final List<T> pcontent) { | ||
| this.content = pcontent; | ||
| } | ||
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| @Override | ||
| public final Sort getSort() { | ||
| return this.sort; | ||
| } | ||
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| public final void setSort(final Sort psort) { | ||
| this.sort = psort; | ||
| } | ||
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| // public final Pageable getPageable() { | ||
| // return this.pageable; | ||
| // } | ||
| // | ||
| // public final void setPageable(Pageable ppageable) { | ||
| // this.pageable = ppageable; | ||
| // } | ||
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| @Override | ||
| public boolean hasContent() { | ||
| return !CollectionUtils.isEmpty(content); | ||
| } | ||
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| @Override | ||
| public boolean hasNext() { | ||
| return getNumber() + 1 < this.getTotalPages(); | ||
| } | ||
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| @Override | ||
| public boolean hasPrevious() { | ||
| return getNumber() > 0; | ||
| } | ||
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| @Override | ||
| public Pageable nextPageable() { | ||
| // return hasNext() ? this.pageable.next() : Pageable.unpaged(); | ||
| return null; | ||
| } | ||
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| @Override | ||
| public Pageable previousPageable() { | ||
| // return this.hasPrevious() ? this.pageable.previousOrFirst() : Pageable.unpaged(); | ||
| return null; | ||
| } | ||
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| @Override | ||
| public Iterator<T> iterator() { | ||
| return this.content.iterator(); | ||
| } | ||
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| @Override | ||
| public <U> Page<U> map(final Function<? super T, ? extends U> pconverter) { | ||
| return new DeserializeablePage<>(this.getConvertedContent(pconverter), getPageable(), | ||
| this.totalElements); | ||
| } | ||
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| /** | ||
| * Applies the given {@link Function} to the content of the {@link Chunk}. | ||
| * | ||
| * @param converter must not be {@literal null}. | ||
| * @return | ||
| */ | ||
| protected <U> List<U> getConvertedContent(final Function<? super T, ? extends U> converter) { | ||
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| Assert.notNull(converter, "Function must not be null!"); | ||
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| return stream().map(converter::apply).collect(Collectors.toList()); | ||
| } | ||
| } |
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