Example usage for com.fasterxml.jackson.core JsonParser getText

Introduction

In this page you can find the example usage for com.fasterxml.jackson.core JsonParser getText.

Prototype

public abstract String getText() throws IOException, JsonParseException;

Source Link

Document

Method for accessing textual representation of the current token; if no current token (before first call to #nextToken , or after encountering end-of-input), returns null.

Usage

From source file:org.sead.repositories.reference.RefRepository.java

private JsonNode getAggregation(String id, File indexFile, CountingInputStream cis, boolean withChildren,
        Long oreFileSize) throws JsonParseException, JsonMappingException, IOException {
    log.debug("Getting Aggregation");

    long curPos = 0;

    // Always need to generate these
    ArrayList<String> entries = new ArrayList<String>();
    ArrayList<Long> offsets = new ArrayList<Long>();

    FileInputStream fis = new FileInputStream(indexFile);
    JsonFactory f = new MappingJsonFactory();
    JsonParser jp = f.createParser(fis);

    JsonToken current;/*from   w ww.java  2 s  .com*/
    log.debug("Reading Index file");
    current = jp.nextToken(); // Start object

    while ((current = jp.nextToken()) != null) {
        if (current.equals(JsonToken.FIELD_NAME)) {
            String fName = jp.getText();
            current = jp.nextToken(); // Get to start of
            // value
            long offset = jp.getLongValue();
            log.trace("Adding: " + fName + " : " + offset);
            entries.add(fName);
            offsets.add(offset);
        }
    }
    IOUtils.closeQuietly(fis);

    File descFile = getDescFile(id);
    InputStream is = new FileInputStream(descFile);
    ObjectNode resultNode = (ObjectNode) mapper.readTree(is);
    IOUtils.closeQuietly(is);

    log.trace(resultNode.toString());
    if ((resultNode.has("Has Part")) && withChildren) {

        resultNode = getChildren(resultNode, indexFile, cis, oreFileSize, curPos, entries, offsets);
    } else {
        resultNode.remove("aggregates");
    }
    log.debug("Aggregation retrieved");
    return resultNode;
}

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From source file:org.sead.repositories.reference.RefRepository.java

private JsonNode getItem(String item, File indexFile, CountingInputStream cis, boolean withChildren,
        Long oreFileSize, long curOffset, ArrayList<String> entries, ArrayList<Long> offsets)
        throws JsonParseException, JsonMappingException, IOException {
    log.trace("Getting: " + item + " with starting offset: " + curOffset);

    long curPos = curOffset;

    if ((entries == null) || (offsets == null)) {
        entries = new ArrayList<String>();
        offsets = new ArrayList<Long>();

        FileInputStream fis = new FileInputStream(indexFile);
        JsonFactory f = new MappingJsonFactory();
        JsonParser jp = f.createParser(fis);

        JsonToken current;//from w w  w  .  j  a v a  2  s.  co  m
        log.trace("Reading Index file");
        current = jp.nextToken(); // Start object

        while ((current = jp.nextToken()) != null) {
            if (current.equals(JsonToken.FIELD_NAME)) {
                String fName = jp.getText();
                current = jp.nextToken(); // Get to start of
                // value
                long offset = jp.getLongValue();
                log.trace("Adding: " + fName + " : " + offset);
                entries.add(fName);
                offsets.add(offset);
            }
        }
        try {
            fis.close();
        } catch (Exception e) {
            log.debug(e.getMessage());
        }

    }

    byte[] b = null;
    int bytesRead = 0;

    int index = entries.indexOf(item);
    if (index == -1) {
        log.warn(item + " not in index");
    }
    // getSizeEstimateFor(index)
    int estSize;
    if (index < offsets.size() - 1) {
        estSize = (int) (offsets.get(index + 1) - offsets.get(index));
    } else {
        estSize = (int) (oreFileSize - offsets.get(index));
    }
    curPos += skipTo(cis, curPos, offsets.get(index));
    log.trace("Current Pos updated to : " + curPos);
    b = new byte[estSize];
    bytesRead = cis.read(b);
    log.trace("Read " + bytesRead + " bytes");
    if (bytesRead == estSize) {
        log.trace("Read: " + new String(b));
        InputStream is = new ByteArrayInputStream(b);
        // mapper seems to be OK ignoring a last char such as a comma after
        // the object/tree
        ObjectNode resultNode = (ObjectNode) mapper.readTree(is);
        try {
            is.close();
        } catch (Exception e) {
            log.debug(e.getMessage());
        }

        curPos += bytesRead;
        log.trace("curPos: " + curPos + " : count: " + cis.getByteCount());

        log.trace(resultNode.toString());
        if ((resultNode.has("Has Part")) && withChildren) {
            resultNode = getChildren(resultNode, indexFile, cis, oreFileSize, curPos, entries, offsets);
        } else {
            resultNode.remove("aggregates");
        }
        /*
         * if (args[2] != null) { long offset2 = Long.parseLong(args[2]);
         * sbc.position(offset2); b.clear(); sbc.read(b);
         * 
         * InputStream is2 = new ByteArrayInputStream(b.array());
         * 
         * JsonNode node2 = mapper.readTree(is2);
         * System.out.println(node2.toString()); is2.close(); }
         */
        return resultNode;
    } else {
        return null;
    }

}

---

From source file:org.sead.repositories.reference.RefRepository.java

protected static void generateIndex(InputStream ro, File descFile, File indexFile)
        throws JsonParseException, IOException {

    log.debug("Generating desc and index files");
    JsonFactory f = new MappingJsonFactory(); // reading
    JsonParser jp = f.createParser(ro);

    JsonGenerator generator = new JsonFactory().createGenerator(descFile, JsonEncoding.UTF8);

    JsonToken current;/* w ww.j a  v  a  2s.  c om*/

    current = jp.nextToken();

    report(jp, current);
    while ((current = jp.nextToken()) != null) {
        if (current.equals(JsonToken.FIELD_NAME)) {
            String fName = jp.getText();
            if (fName.equals("describes")) {
                log.trace("describes");
                while (((current = jp.nextToken()) != null)) {
                    if (jp.isExpectedStartObjectToken()) {
                        generator.setCodec(new ObjectMapper());
                        generator.useDefaultPrettyPrinter();

                        generator.writeStartObject();

                        while (((current = jp.nextToken()) != JsonToken.END_OBJECT)) {
                            if (current != JsonToken.FIELD_NAME) {
                                log.warn("Unexpected Token!");
                                report(jp, current);

                            } else {
                                report(jp, current);
                                String name = jp.getText();
                                current = jp.nextToken(); // Get to start of
                                // value
                                if (!name.equals("aggregates")) {
                                    log.trace("Writing: " + name);
                                    generator.writeFieldName(name);
                                    generator.writeTree(jp.readValueAsTree());
                                } else {
                                    report(jp, current);
                                    log.trace("Skipping?");
                                    if (current.isStructStart()) {
                                        indexChildren(indexFile, jp);
                                        // jp.skipChildren();
                                    } else {
                                        log.warn("Was Not Struct start!");
                                    }
                                    log.trace("Hit aggregates");

                                }
                            }
                        }

                        generator.writeEndObject();

                        generator.close();
                    }
                }
            }
        }
    }
}

---

From source file:org.sead.repositories.reference.RefRepository.java

private static void indexChildren(File index, JsonParser jp) throws IOException {

    JsonGenerator generator = new JsonFactory().createGenerator(index, JsonEncoding.UTF8);
    generator.useDefaultPrettyPrinter();

    generator.writeStartObject();//from w w w .j  av  a 2 s .  c o m

    JsonToken cur = jp.nextToken();
    while (cur.equals(JsonToken.START_OBJECT)) {
        long start = jp.getTokenLocation().getByteOffset();
        int depth = 1;
        while (depth > 0) {
            cur = jp.nextToken();
            if (cur.equals(JsonToken.START_OBJECT)) {
                depth++;
            } else if (cur.equals(JsonToken.END_OBJECT)) {
                depth--;
            } else if (cur.equals(JsonToken.FIELD_NAME) && depth == 1) {
                if (jp.getText().equals("@id")) {
                    cur = jp.nextToken();

                    String vName = jp.getText();
                    generator.writeNumberField(vName, start);
                } else {
                    report(jp, cur);
                }
            }
        }
        cur = jp.nextToken();
    }
    generator.writeEndObject();
    generator.close();

}

---

From source file:org.sead.repositories.reference.RefRepository.java

private static void report(JsonParser jp, JsonToken token) {
    boolean struct = token.isStructStart() || token.isStructEnd();
    try {//from  w w w.j a va  2 s  .c  o m
        String tag = struct ? token.asString() : jp.getText();
        log.trace("Tag: " + tag);
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    long currentOffset = jp.getCurrentLocation().getByteOffset();
    long tokenOffset = jp.getTokenLocation().getByteOffset();
    log.trace("Cur: " + currentOffset + " tok: " + tokenOffset);
}

---

From source file:ren.hankai.cordwood.jackson.DateDeserializerTest.java

@Test
public void testDeserialize() throws Exception {
    final ObjectMapper om = new ObjectMapper();
    final DateDeserializer des = new DateDeserializer();
    final JsonParser jp = om.getFactory().createParser("{\"date\": \"2018-09-01\"}");

    String val = null;
    do {//  www  . j av a 2 s .  c o  m
        val = jp.nextTextValue();
    } while (val == null);

    final Date date = des.deserialize(jp, om.getDeserializationContext());
    final Date expDate = DateUtils.parseDate(jp.getText(), "yyyy-MM-dd");
    Assert.assertTrue(DateUtils.isSameDay(date, expDate));
}

---

From source file:ren.hankai.cordwood.jackson.DateDeserializerTest.java

@Test
public void testDeserializeWithCustomFormat() throws Exception {
    final ObjectMapper om = new ObjectMapper();
    final DateDeserializer des = new DateDeserializer("yyyy|MM|dd");
    final JsonParser jp = om.getFactory().createParser("{\"date\": \"2018|09|01\"}");

    String val = null;
    do {/*from  w w  w  . j  a  v  a  2  s  .co  m*/
        val = jp.nextTextValue();
    } while (val == null);

    final Date date = des.deserialize(jp, om.getDeserializationContext());
    final Date expDate = DateUtils.parseDate(jp.getText(), "yyyy|MM|dd");
    Assert.assertTrue(DateUtils.isSameDay(date, expDate));
}

---

From source file:ren.hankai.cordwood.jackson.DateTimeDeserializerTest.java

@Test
public void testDeserialize() throws Exception {
    final ObjectMapper om = new ObjectMapper();
    final DateTimeDeserializer des = new DateTimeDeserializer();
    final JsonParser jp = om.getFactory().createParser("{\"date\": \"2018-09-01 13:23:12\"}");

    String val = null;
    do {/*from   w  w  w . jav a  2s. com*/
        val = jp.nextTextValue();
    } while (val == null);

    final Date date = des.deserialize(jp, om.getDeserializationContext());
    final Date expDate = DateUtils.parseDate(jp.getText(), "yyyy-MM-dd HH:mm:ss");
    Assert.assertTrue(DateUtils.truncatedEquals(date, expDate, Calendar.SECOND));
}

---

From source file:ren.hankai.cordwood.jackson.DateTimeDeserializerTest.java

@Test
public void testDeserializeWithCustomFormat() throws Exception {
    final ObjectMapper om = new ObjectMapper();
    final DateTimeDeserializer des = new DateTimeDeserializer("yyyy|MM|dd HH|mm|ss");
    final JsonParser jp = om.getFactory().createParser("{\"date\": \"2018|09|01 13|23|12\"}");

    String val = null;
    do {//from  w  ww . j  ava  2  s. c  o m
        val = jp.nextTextValue();
    } while (val == null);

    final Date date = des.deserialize(jp, om.getDeserializationContext());
    final Date expDate = DateUtils.parseDate(jp.getText(), "yyyy|MM|dd HH|mm|ss");
    Assert.assertTrue(DateUtils.truncatedEquals(date, expDate, Calendar.SECOND));
}

---

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