mirror of
https://github.com/DSpace/DSpace.git
synced 2025-10-07 01:54:22 +00:00
Normalize space
This commit is contained in:
Terry W Brady
@@ -35,172 +35,170 @@ import org.dspace.core.ConfigurationManager;
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* thumbnail.maxwidth, thumbnail.maxheight, the size we want our thumbnail to be
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* no bigger than. Creates only JPEGs.
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*/
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public abstract class ImageMagickThumbnailFilter extends MediaFilter
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{
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protected static int width = 180;
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protected static int height = 120;
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private static boolean flatten = true;
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static String bitstreamDescription = "IM Thumbnail";
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static final String defaultPattern = "Generated Thumbnail";
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static Pattern replaceRegex = Pattern.compile(defaultPattern);
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protected final ItemService itemService = ContentServiceFactory.getInstance().getItemService();
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public abstract class ImageMagickThumbnailFilter extends MediaFilter {
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protected static int width = 180;
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protected static int height = 120;
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private static boolean flatten = true;
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static String bitstreamDescription = "IM Thumbnail";
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static final String defaultPattern = "Generated Thumbnail";
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static Pattern replaceRegex = Pattern.compile(defaultPattern);
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protected final ItemService itemService = ContentServiceFactory.getInstance().getItemService();
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static String cmyk_profile;
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static String srgb_profile;
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static {
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String pre = ImageMagickThumbnailFilter.class.getName();
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String s = ConfigurationManager.getProperty(pre + ".ProcessStarter");
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ProcessStarter.setGlobalSearchPath(s);
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width = ConfigurationManager.getIntProperty("thumbnail.maxwidth", width);
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height = ConfigurationManager.getIntProperty("thumbnail.maxheight", height);
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static String cmyk_profile;
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static String srgb_profile;
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static {
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String pre = ImageMagickThumbnailFilter.class.getName();
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String s = ConfigurationManager.getProperty(pre + ".ProcessStarter");
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ProcessStarter.setGlobalSearchPath(s);
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width = ConfigurationManager.getIntProperty("thumbnail.maxwidth", width);
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height = ConfigurationManager.getIntProperty("thumbnail.maxheight", height);
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flatten = ConfigurationManager.getBooleanProperty(pre + ".flatten", flatten);
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String description = ConfigurationManager.getProperty(pre + ".bitstreamDescription");
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cmyk_profile = ConfigurationManager.getProperty(pre + ".cmyk_profile");
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srgb_profile = ConfigurationManager.getProperty(pre + ".srgb_profile");
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if (description != null) {
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bitstreamDescription = description;
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}
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try {
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String patt = ConfigurationManager.getProperty(pre + ".replaceRegex");
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replaceRegex = Pattern.compile(patt == null ? defaultPattern : patt);
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} catch(PatternSyntaxException e) {
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System.err.println("Invalid thumbnail replacement pattern: "+e.getMessage());
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}
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}
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public ImageMagickThumbnailFilter() {
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}
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@Override
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public String getFilteredName(String oldFilename)
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{
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return oldFilename + ".jpg";
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}
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/**
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* @return String bundle name
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*
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*/
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@Override
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public String getBundleName()
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{
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return "THUMBNAIL";
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}
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/**
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* @return String bitstreamformat
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*/
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@Override
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public String getFormatString()
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{
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return "JPEG";
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}
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/**
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* @return String bitstreamDescription
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*/
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@Override
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public String getDescription()
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{
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return bitstreamDescription;
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}
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public File inputStreamToTempFile(InputStream source, String prefix, String suffix) throws IOException {
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File f = File.createTempFile(prefix, suffix);
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f.deleteOnExit();
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FileOutputStream fos = new FileOutputStream(f);
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byte[] buffer = new byte[1024];
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int len = source.read(buffer);
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while (len != -1) {
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fos.write(buffer, 0, len);
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len = source.read(buffer);
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}
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fos.close();
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return f;
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}
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public File getThumbnailFile(File f, boolean verbose) throws IOException, InterruptedException, IM4JavaException {
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File f2 = new File(f.getParentFile(), f.getName() + ".jpg");
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f2.deleteOnExit();
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ConvertCmd cmd = new ConvertCmd();
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IMOperation op = new IMOperation();
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op.addImage(f.getAbsolutePath());
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op.thumbnail(width, height);
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op.addImage(f2.getAbsolutePath());
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if (verbose) {
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System.out.println("IM Thumbnail Param: "+op);
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}
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cmd.run(op);
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return f2;
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}
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public File getImageFile(File f, int page, boolean verbose) throws IOException, InterruptedException, IM4JavaException {
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File f2 = new File(f.getParentFile(), f.getName() + ".jpg");
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f2.deleteOnExit();
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ConvertCmd cmd = new ConvertCmd();
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IMOperation op = new IMOperation();
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String s = "[" + page + "]";
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op.addImage(f.getAbsolutePath()+s);
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if (flatten)
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{
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op.flatten();
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String description = ConfigurationManager.getProperty(pre + ".bitstreamDescription");
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cmyk_profile = ConfigurationManager.getProperty(pre + ".cmyk_profile");
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srgb_profile = ConfigurationManager.getProperty(pre + ".srgb_profile");
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if (description != null) {
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bitstreamDescription = description;
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}
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try {
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String patt = ConfigurationManager.getProperty(pre + ".replaceRegex");
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replaceRegex = Pattern.compile(patt == null ? defaultPattern : patt);
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} catch (PatternSyntaxException e) {
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System.err.println("Invalid thumbnail replacement pattern: " + e.getMessage());
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}
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// PDFs using the CMYK color system can be handled specially if profiles are defined
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if (cmyk_profile != null && srgb_profile != null) {
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Info imageInfo = new Info(f.getAbsolutePath(),true);
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String imageClass = imageInfo.getImageClass();
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if (imageClass.contains("CMYK")) {
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op.profile(cmyk_profile);
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op.profile(srgb_profile);
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}
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}
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op.addImage(f2.getAbsolutePath());
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if (verbose) {
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System.out.println("IM Image Param: "+op);
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}
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cmd.run(op);
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return f2;
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}
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@Override
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public boolean preProcessBitstream(Context c, Item item, Bitstream source, boolean verbose)
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throws Exception
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{
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String nsrc = source.getName();
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for(Bundle b: itemService.getBundles(item, "THUMBNAIL")) {
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for(Bitstream bit: b.getBitstreams()) {
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String n = bit.getName();
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if (n != null) {
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if (nsrc != null) {
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if (!n.startsWith(nsrc)) continue;
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}
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}
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String description = bit.getDescription();
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//If anything other than a generated thumbnail is found, halt processing
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if (description != null) {
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if (replaceRegex.matcher(description).matches()) {
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if (verbose) {
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System.out.println(description + " " + nsrc + " matches pattern and is replacable.");
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}
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continue;
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}
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if (description.equals(bitstreamDescription)) {
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if (verbose) {
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System.out.println(bitstreamDescription + " " + nsrc + " is replacable.");
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}
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continue;
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}
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}
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System.out.println("Custom Thumbnail exists for " + nsrc + " for item " + item.getHandle() + ". Thumbnail will not be generated. ");
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return false;
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}
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}
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return true; //assume that the thumbnail is a custom one
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}
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public ImageMagickThumbnailFilter() {
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}
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@Override
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public String getFilteredName(String oldFilename) {
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return oldFilename + ".jpg";
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}
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/**
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* @return String bundle name
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*
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*/
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@Override
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public String getBundleName() {
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return "THUMBNAIL";
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}
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/**
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* @return String bitstreamformat
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*/
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@Override
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public String getFormatString() {
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return "JPEG";
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}
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/**
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* @return String bitstreamDescription
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*/
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@Override
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public String getDescription() {
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return bitstreamDescription;
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}
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public File inputStreamToTempFile(InputStream source, String prefix, String suffix) throws IOException {
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File f = File.createTempFile(prefix, suffix);
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f.deleteOnExit();
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FileOutputStream fos = new FileOutputStream(f);
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byte[] buffer = new byte[1024];
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int len = source.read(buffer);
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while (len != -1) {
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fos.write(buffer, 0, len);
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len = source.read(buffer);
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}
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fos.close();
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return f;
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}
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public File getThumbnailFile(File f, boolean verbose)
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throws IOException, InterruptedException, IM4JavaException {
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File f2 = new File(f.getParentFile(), f.getName() + ".jpg");
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f2.deleteOnExit();
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ConvertCmd cmd = new ConvertCmd();
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IMOperation op = new IMOperation();
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op.addImage(f.getAbsolutePath());
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op.thumbnail(width, height);
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op.addImage(f2.getAbsolutePath());
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if (verbose) {
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System.out.println("IM Thumbnail Param: " + op);
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}
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cmd.run(op);
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return f2;
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}
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public File getImageFile(File f, int page, boolean verbose)
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throws IOException, InterruptedException, IM4JavaException {
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File f2 = new File(f.getParentFile(), f.getName() + ".jpg");
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f2.deleteOnExit();
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ConvertCmd cmd = new ConvertCmd();
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IMOperation op = new IMOperation();
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String s = "[" + page + "]";
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op.addImage(f.getAbsolutePath() + s);
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if (flatten) {
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op.flatten();
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}
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// PDFs using the CMYK color system can be handled specially if
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// profiles are defined
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if (cmyk_profile != null && srgb_profile != null) {
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Info imageInfo = new Info(f.getAbsolutePath(), true);
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String imageClass = imageInfo.getImageClass();
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if (imageClass.contains("CMYK")) {
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op.profile(cmyk_profile);
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op.profile(srgb_profile);
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}
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}
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op.addImage(f2.getAbsolutePath());
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if (verbose) {
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System.out.println("IM Image Param: " + op);
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}
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cmd.run(op);
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return f2;
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}
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@Override
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public boolean preProcessBitstream(Context c, Item item, Bitstream source, boolean verbose) throws Exception {
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String nsrc = source.getName();
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for (Bundle b : itemService.getBundles(item, "THUMBNAIL")) {
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for (Bitstream bit : b.getBitstreams()) {
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String n = bit.getName();
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if (n != null) {
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if (nsrc != null) {
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if (!n.startsWith(nsrc))
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continue;
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}
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}
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String description = bit.getDescription();
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// If anything other than a generated thumbnail
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// is found, halt processing
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if (description != null) {
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if (replaceRegex.matcher(description).matches()) {
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if (verbose) {
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System.out.println(description + " " + nsrc
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+ " matches pattern and is replacable.");
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}
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continue;
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}
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if (description.equals(bitstreamDescription)) {
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if (verbose) {
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System.out.println(bitstreamDescription + " " + nsrc
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+ " is replacable.");
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}
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continue;
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}
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}
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System.out.println("Custom Thumbnail exists for " + nsrc + " for item "
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+ item.getHandle() + ". Thumbnail will not be generated. ");
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return false;
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}
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}
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return true; // assume that the thumbnail is a custom one
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}
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}
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