Examples with IgnoreCloseInputStream org.codelibs.fess.crawler.util.IgnoreCloseInputStream used on opensource projects

Example 1 with IgnoreCloseInputStream

use of org.codelibs.fess.crawler.util.IgnoreCloseInputStream in project fess-crawler by codelibs.

the class TarExtractor method getTextInternal.

protected String getTextInternal(final InputStream in, final MimeTypeHelper mimeTypeHelper, final ExtractorFactory extractorFactory) {
    final StringBuilder buf = new StringBuilder(1000);
    ArchiveInputStream ais = null;
    try {
        ais = archiveStreamFactory.createArchiveInputStream("tar", in);
        TarArchiveEntry entry = null;
        long contentSize = 0;
        while ((entry = (TarArchiveEntry) ais.getNextEntry()) != null) {
            contentSize += entry.getSize();
            if (maxContentSize != -1 && contentSize > maxContentSize) {
                throw new MaxLengthExceededException("Extracted size is " + contentSize + " > " + maxContentSize);
            }
            final String filename = entry.getName();
            final String mimeType = mimeTypeHelper.getContentType(null, filename);
            if (mimeType != null) {
                final Extractor extractor = extractorFactory.getExtractor(mimeType);
                if (extractor != null) {
                    try {
                        final Map<String, String> map = new HashMap<>();
                        map.put(TikaMetadataKeys.RESOURCE_NAME_KEY, filename);
                        buf.append(extractor.getText(new IgnoreCloseInputStream(ais), map).getContent());
                        buf.append('\n');
                    } catch (final Exception e) {
                        if (logger.isDebugEnabled()) {
                            logger.debug("Exception in an internal extractor.", e);
                        }
                    }
                }
            }
        }
    } catch (final MaxLengthExceededException e) {
        throw e;
    } catch (final Exception e) {
        if (buf.length() == 0) {
            throw new ExtractException("Could not extract a content.", e);
        }
    } finally {
        CloseableUtil.closeQuietly(ais);
    }
    return buf.toString().trim();
}

Example 2 with IgnoreCloseInputStream

use of org.codelibs.fess.crawler.util.IgnoreCloseInputStream in project fess-crawler by codelibs.

the class ZipExtractor method getText.

@Override
public ExtractData getText(final InputStream in, final Map<String, String> params) {
    if (in == null) {
        throw new CrawlerSystemException("The inputstream is null.");
    }
    final MimeTypeHelper mimeTypeHelper = getMimeTypeHelper();
    final ExtractorFactory extractorFactory = getExtractorFactory();
    final StringBuilder buf = new StringBuilder(1000);
    try (final ArchiveInputStream ais = archiveStreamFactory.createArchiveInputStream(in.markSupported() ? in : new BufferedInputStream(in))) {
        ZipArchiveEntry entry = null;
        long contentSize = 0;
        while ((entry = (ZipArchiveEntry) ais.getNextEntry()) != null) {
            contentSize += entry.getSize();
            if (maxContentSize != -1 && contentSize > maxContentSize) {
                throw new MaxLengthExceededException("Extracted size is " + contentSize + " > " + maxContentSize);
            }
            final String filename = entry.getName();
            final String mimeType = mimeTypeHelper.getContentType(null, filename);
            if (mimeType != null) {
                final Extractor extractor = extractorFactory.getExtractor(mimeType);
                if (extractor != null) {
                    try {
                        final Map<String, String> map = new HashMap<>();
                        map.put(TikaMetadataKeys.RESOURCE_NAME_KEY, filename);
                        buf.append(extractor.getText(new IgnoreCloseInputStream(ais), map).getContent());
                        buf.append('\n');
                    } catch (final Exception e) {
                        if (logger.isDebugEnabled()) {
                            logger.debug("Exception in an internal extractor.", e);
                        }
                    }
                }
            }
        }
    } catch (final MaxLengthExceededException e) {
        throw e;
    } catch (final Exception e) {
        if (buf.length() == 0) {
            throw new ExtractException("Could not extract a content.", e);
        }
    }
    return new ExtractData(buf.toString().trim());
}

Example 3 with IgnoreCloseInputStream

use of org.codelibs.fess.crawler.util.IgnoreCloseInputStream in project fess-crawler by codelibs.

the class LhaExtractor method getText.

@Override
public ExtractData getText(final InputStream in, final Map<String, String> params) {
    if (in == null) {
        throw new CrawlerSystemException("The inputstream is null.");
    }
    final MimeTypeHelper mimeTypeHelper = getMimeTypeHelper();
    final ExtractorFactory extractorFactory = getExtractorFactory();
    final StringBuilder buf = new StringBuilder(1000);
    File tempFile = null;
    LhaFile lhaFile = null;
    try {
        tempFile = File.createTempFile("crawler-", ".lzh");
        try (FileOutputStream fos = new FileOutputStream(tempFile)) {
            CopyUtil.copy(in, fos);
        }
        lhaFile = new LhaFile(tempFile);
        @SuppressWarnings("unchecked") final Enumeration<LhaHeader> entries = lhaFile.entries();
        long contentSize = 0;
        while (entries.hasMoreElements()) {
            final LhaHeader head = entries.nextElement();
            contentSize += head.getOriginalSize();
            if (maxContentSize != -1 && contentSize > maxContentSize) {
                throw new MaxLengthExceededException("Extracted size is " + contentSize + " > " + maxContentSize);
            }
            final String filename = head.getPath();
            final String mimeType = mimeTypeHelper.getContentType(null, filename);
            if (mimeType != null) {
                final Extractor extractor = extractorFactory.getExtractor(mimeType);
                if (extractor != null) {
                    InputStream is = null;
                    try {
                        is = lhaFile.getInputStream(head);
                        final Map<String, String> map = new HashMap<>();
                        map.put(TikaMetadataKeys.RESOURCE_NAME_KEY, filename);
                        buf.append(extractor.getText(new IgnoreCloseInputStream(is), map).getContent());
                        buf.append('\n');
                    } catch (final Exception e) {
                        if (logger.isDebugEnabled()) {
                            logger.debug("Exception in an internal extractor.", e);
                        }
                    } finally {
                        CloseableUtil.closeQuietly(is);
                    }
                }
            }
        }
    } catch (final MaxLengthExceededException e) {
        throw e;
    } catch (final Exception e) {
        throw new ExtractException("Could not extract a content.", e);
    } finally {
        if (lhaFile != null) {
            try {
                lhaFile.close();
            } catch (final IOException e) {
            // ignore
            }
        }
        if (tempFile != null && !tempFile.delete()) {
            logger.warn("Failed to delete " + tempFile.getAbsolutePath());
        }
    }
    return new ExtractData(buf.toString().trim());
}