Java NoSuchPageException類代碼示例

import org.eclipse.egit.github.core.client.NoSuchPageException; //導入依賴的package包/類
/**
 * Gets a list of ETags for all pages returned from an API request and
 * also return the connection used to get the ETags so that their last check time
 * can be recorded elsewhere
 *
 * @param request
 * @param client
 * @return a Optional list of ETags for all pages returned from an API request and
 * corresponding HTTP connection or an empty Optional if an error occurs
 */
private Optional<ImmutablePair<List<String>, HttpURLConnection>> getPagedEtags(
        GitHubRequest request, GitHubClientEx client) {

    PageHeaderIterator iter = new PageHeaderIterator(request, client, "ETag");
    List<String> etags = new ArrayList<>();
    HttpURLConnection connection = null;

    while (iter.hasNext()) {
        try {
            etags.add(Utility.stripQuotes(iter.next()));
            if (connection == null) {
                connection = iter.getLastConnection();
            }
        } catch (NoSuchPageException e) {
            logger.error("No such page exception at " + iter.getRequest().generateUri());
            return Optional.empty();
        }
    }

    return Optional.of(new ImmutablePair<>(etags, connection));
}
 

import org.eclipse.egit.github.core.client.NoSuchPageException; //導入依賴的package包/類
/**
 * A specialised version of GitHubService::getPage that does logging.
 *
 * @param iterator the paged request to iterate through
 * @return a list of items
 * @throws IOException
 */
protected List<T> getPagedItems(String resourceDesc, PageIterator<T> iterator) throws IOException {
    List<T> elements = new ArrayList<>();
    int length = 0;
    int page = 0;
    try {
        while (iterator.hasNext()) {
            elements.addAll(iterator.next());
            int diff = elements.size() - length;
            length = elements.size();
            logger.info(resourceDesc + " | page " + (page++) + ": " + diff + " items");
        }
    } catch (NoSuchPageException pageException) {
        throw pageException.getCause();
    }
    return elements;
}
 

import org.eclipse.egit.github.core.client.NoSuchPageException; //導入依賴的package包/類
/**
 * Overrides parent's method to stop getting items if some items in a page has
 * updatedAt time before the lastIssueCheckTime
 *
 * @param resourceDesc
 * @param iterator     the paged request to iterate through
 * @return
 * @throws IOException
 */
@Override
protected List<PullRequest> getPagedItems(String resourceDesc, PageIterator<PullRequest> iterator)
        throws IOException {
    List<PullRequest> elements = new ArrayList<>();
    int page = 0;

    try {
        while (iterator.hasNext()) {
            Collection<PullRequest> newPullRequests = iterator.next();
            int numAddedItems = addItemsUpdatedSince(elements, newPullRequests, lastIssueCheckTime);

            logger.info(resourceDesc + " | page " + (page++) + ": " + numAddedItems + " items");

            if (numAddedItems < newPullRequests.size()) {
                break;
            }
        }
    } catch (NoSuchPageException pageException) {
        throw pageException.getCause();
    }

    return elements;
}
 

import org.eclipse.egit.github.core.client.NoSuchPageException; //導入依賴的package包/類
/**
 * Get the next page of issues
 *
 * @return true if more pages
 * @throws java.io.IOException
 */
public boolean next() throws IOException {
    boolean emptyPage = false;
    PageIterator<E> iterator = createIterator(page, -1);
    try {
        for (int i = 0; i < count && iterator.hasNext(); i++) {
            Collection<E> resourcePage = iterator.next();
            emptyPage = resourcePage.isEmpty();
            if (emptyPage)
                break;
            for (E resource : resourcePage) {
                resource = register(resource);
                if (resource == null)
                    continue;
                resources.put(getId(resource), resource);
            }
        }
        // Set page to count value if first call after call to reset()
        if (count > 1) {
            page = count;
            count = 1;
        }

        page++;
    } catch (NoSuchPageException e) {
        hasMore = false;
        throw e.getCause();
    }
    hasMore = iterator.hasNext() && !emptyPage;
    return hasMore;
}
 

import org.eclipse.egit.github.core.client.NoSuchPageException; //導入依賴的package包/類
/**
 * Get paged request by performing multiple requests until no more pages are
 * available or an exception occurs.
 *
 * @param <V>
 * @param iterator
 * @return list of all elements
 * @throws IOException
 */
protected <V> List<V> getAll(PageIterator<V> iterator) throws IOException {
	List<V> elements = new ArrayList<V>();
	try {
		while (iterator.hasNext())
			elements.addAll(iterator.next());
	} catch (NoSuchPageException pageException) {
		throw pageException.getCause();
	}
	return elements;
}