Class ApplicationPart

java/org/apache/catalina/core/ApplicationPart.java:41–179

Adaptor to allow FileItem objects generated by the package renamed commons-upload to be used by the Servlet 3.0 upload API that expects Parts.

 * 3.0 upload API that expects {@link Part}s.
 */
public class ApplicationPart implements Part {

    private final FileItem fileItem;
    private final File location;

    /**
     * Constructs a new ApplicationPart.
     *
     * @param fileItem the underlying FileItem
     * @param location the file location
     */
    public ApplicationPart(FileItem fileItem, File location) {
        this.fileItem = fileItem;
        this.location = location;
    }

    @Override
    public void delete() throws IOException {
        fileItem.delete();
    }

    @Override
    public String getContentType() {
        return fileItem.getContentType();
    }

    @Override
    public String getHeader(String name) {
        if (fileItem instanceof DiskFileItem) {
            return fileItem.getHeaders().getHeader(name);
        }
        return null;
    }

    @Override
    public Collection<String> getHeaderNames() {
        if (fileItem instanceof DiskFileItem) {
            LinkedHashSet<String> headerNames = new LinkedHashSet<>();
            Iterator<String> iter = fileItem.getHeaders().getHeaderNames();
            while (iter.hasNext()) {
                headerNames.add(iter.next());
            }
            return headerNames;
        }
        return Collections.emptyList();
    }

    @Override
    public Collection<String> getHeaders(String name) {
        if (fileItem instanceof DiskFileItem) {
            LinkedHashSet<String> headers = new LinkedHashSet<>();
            Iterator<String> iter = fileItem.getHeaders().getHeaders(name);
            while (iter.hasNext()) {
                headers.add(iter.next());
            }
            return headers;
        }
        return Collections.emptyList();