Example usage for org.apache.lucene.search.highlight Encoder encodeText

Introduction

In this page you can find the example usage for org.apache.lucene.search.highlight Encoder encodeText.

Prototype

String encodeText(String originalText);

Source Link

Usage

From source file:com.o19s.solr.swan.highlight.BaseFragmentsBuilder.java

License:Apache License

protected String makeFragment(StringBuilder buffer, int[] index, Field[] values, WeightedFragInfo fragInfo,
        String[] preTags, String[] postTags, Encoder encoder) {
    StringBuilder fragment = new StringBuilder();
    final int s = fragInfo.getStartOffset();
    int[] modifiedStartOffset = { s };
    String src = getFragmentSourceMSO(buffer, index, values, s, fragInfo.getEndOffset(), modifiedStartOffset);
    int srcIndex = 0;
    for (SubInfo subInfo : fragInfo.getSubInfos()) {
        for (Toffs to : subInfo.getTermsOffsets()) {
            fragment.append(//from ww  w.  ja va  2  s  . c o m
                    encoder.encodeText(src.substring(srcIndex, to.getStartOffset() - modifiedStartOffset[0])))
                    .append(getPreTag(preTags, subInfo.getSeqnum()))
                    .append(encoder.encodeText(src.substring(to.getStartOffset() - modifiedStartOffset[0],
                            to.getEndOffset() - modifiedStartOffset[0])))
                    .append(getPostTag(postTags, subInfo.getSeqnum()));
            srcIndex = to.getEndOffset() - modifiedStartOffset[0];
        }
    }
    fragment.append(encoder.encodeText(src.substring(srcIndex)));
    return fragment.toString();
}

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From source file:com.o19s.solr.swan.highlight.SwanHighlighter.java

License:Apache License

private void alternateField(NamedList docSummaries, SolrParams params, Document doc, String fieldName) {
    String alternateField = params.getFieldParam(fieldName, HighlightParams.ALTERNATE_FIELD);
    if (alternateField != null && alternateField.length() > 0) {
        IndexableField[] docFields = doc.getFields(alternateField);
        List<String> listFields = new ArrayList<String>();
        for (IndexableField field : docFields) {
            if (field.binaryValue() == null)
                listFields.add(field.stringValue());
        }/*from  w ww .  j av  a  2s  .  co  m*/

        String[] altTexts = listFields.toArray(new String[listFields.size()]);

        if (altTexts != null && altTexts.length > 0) {
            Encoder encoder = getEncoder(fieldName, params);
            int alternateFieldLen = params.getFieldInt(fieldName, HighlightParams.ALTERNATE_FIELD_LENGTH, 0);
            List<String> altList = new ArrayList<String>();
            int len = 0;
            for (String altText : altTexts) {
                if (alternateFieldLen <= 0) {
                    altList.add(encoder.encodeText(altText));
                } else {
                    altList.add(len + altText.length() > alternateFieldLen
                            ? encoder.encodeText(altText.substring(0, alternateFieldLen - len))
                            : encoder.encodeText(altText));
                    len += altText.length();
                    if (len >= alternateFieldLen)
                        break;
                }
            }
            docSummaries.add(fieldName, altList);
        }
    }
}

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From source file:com.o19s.solr.swan.highlight.WordHashFragmentsBuilder.java

License:Apache License

/**
 * Use an alternate pre and post tag method, based on the word being highlighted.  In this way
 * each time the same phrase is highlighted in the same css class always.
 * @return/*  w  ww  . ja v a2s  .c om*/
 */
@Override
protected String makeFragment(StringBuilder buffer, int[] index, Field[] values,
        FieldFragList.WeightedFragInfo fragInfo, String[] preTags, String[] postTags, Encoder encoder) {
    StringBuilder fragment = new StringBuilder();
    String term;
    final int s = fragInfo.getStartOffset();
    int[] modifiedStartOffset = { s };
    String src = getFragmentSourceMSO(buffer, index, values, s, fragInfo.getEndOffset(), modifiedStartOffset);
    int srcIndex = 0;
    for (WeightedFragInfo.SubInfo subInfo : fragInfo.getSubInfos()) {
        for (FieldPhraseList.WeightedPhraseInfo.Toffs to : subInfo.getTermsOffsets()) {
            term = encoder.encodeText(src.substring(to.getStartOffset() - modifiedStartOffset[0],
                    to.getEndOffset() - modifiedStartOffset[0]));
            fragment.append(
                    encoder.encodeText(src.substring(srcIndex, to.getStartOffset() - modifiedStartOffset[0])))
                    .append(highlightTerm(term));
            srcIndex = to.getEndOffset() - modifiedStartOffset[0];
        }
    }
    fragment.append(encoder.encodeText(src.substring(srcIndex)));
    return fragment.toString();
}

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From source file:org.apache.solr.handler.component.AlfrescoSolrHighlighter.java

License:Open Source License

/**
 * Returns the alternate highlight object for this field -- a String[] by
 * default. Null if none.//from   w  w w  .j av a2s. c o  m
 */
@SuppressWarnings("unchecked")
protected Object alternateField(Document doc, String fieldName, SolrQueryRequest req) {
    SolrParams params = req.getParams();
    String alternateField = params.getFieldParam(fieldName, HighlightParams.ALTERNATE_FIELD);

    if (alternateField == null || alternateField.length() == 0) {
        return null;
    }
    alternateField = AlfrescoSolrDataModel.getInstance().mapProperty(fieldName, FieldUse.HIGHLIGHT, req);
    IndexableField[] docFields = doc.getFields(alternateField);
    if (docFields.length == 0) {
        // The alternate field did not exist, treat the original field as
        // fallback instead
        docFields = doc.getFields(fieldName);
    }
    List<String> listFields = new ArrayList<>();
    for (IndexableField field : docFields) {
        if (field.binaryValue() == null)
            listFields.add(field.stringValue());
    }

    if (listFields.isEmpty()) {
        return null;
    }
    String[] altTexts = listFields.toArray(new String[listFields.size()]);

    Encoder encoder = getEncoder(fieldName, params);
    int alternateFieldLen = params.getFieldInt(fieldName, HighlightParams.ALTERNATE_FIELD_LENGTH, 0);
    List<String> altList = new ArrayList<>();
    int len = 0;
    for (String altText : altTexts) {
        if (alternateFieldLen <= 0) {
            altList.add(encoder.encodeText(altText));
        } else {
            // note: seemingly redundant new String(...) releases memory to
            // the larger text. But is copying better?
            altList.add(len + altText.length() > alternateFieldLen
                    ? encoder.encodeText(altText.substring(0, alternateFieldLen - len))
                    : encoder.encodeText(altText));
            len += altText.length();
            if (len >= alternateFieldLen)
                break;
        }
    }
    return altList;
}

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From source file:org.apache.solr.highlight.DefaultSolrHighlighter.java

License:Apache License

private void alternateField(NamedList docSummaries, SolrParams params, Document doc, String fieldName) {
    String alternateField = params.getFieldParam(fieldName, HighlightParams.ALTERNATE_FIELD);
    if (alternateField != null && alternateField.length() > 0) {
        IndexableField[] docFields = doc.getFields(alternateField);
        List<String> listFields = new ArrayList<String>();
        for (IndexableField field : docFields) {
            if (field.binaryValue() == null)
                listFields.add(field.stringValue());
        }/* ww w  .  j  a v  a 2s.c  om*/

        String[] altTexts = listFields.toArray(new String[listFields.size()]);

        if (altTexts != null && altTexts.length > 0) {
            Encoder encoder = getEncoder(fieldName, params);
            int alternateFieldLen = params.getFieldInt(fieldName, HighlightParams.ALTERNATE_FIELD_LENGTH, 0);
            List<String> altList = new ArrayList<String>();
            int len = 0;
            for (String altText : altTexts) {
                if (alternateFieldLen <= 0) {
                    altList.add(encoder.encodeText(altText));
                } else {
                    altList.add(len + altText.length() > alternateFieldLen
                            ? encoder.encodeText(new String(altText.substring(0, alternateFieldLen - len)))
                            : encoder.encodeText(altText));
                    len += altText.length();
                    if (len >= alternateFieldLen)
                        break;
                }
            }
            docSummaries.add(fieldName, altList);
        }
    }
}

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