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.fluentd.jvmwatcher.JvmWatcher.java

/**
 * @param parser//w  ww.j a  v  a  2s .c  om
 * @throws JsonParseException
 * @throws IOException
 */
private void loadTarget(JsonParser parser) throws JsonParseException, IOException {
    if (parser.nextToken() == JsonToken.START_ARRAY) {
        while (parser.nextToken() != JsonToken.END_ARRAY) {
            if (parser.getCurrentToken() == JsonToken.START_OBJECT) {
                String shortName = null;
                String pattern = null;
                while (parser.nextToken() != JsonToken.END_OBJECT) {
                    if ((parser.getCurrentToken() == JsonToken.FIELD_NAME)
                            && (parser.getText().compareTo("shortname") == 0)) {
                        if (parser.nextToken() == JsonToken.VALUE_STRING) {
                            shortName = parser.getText();
                        }
                    }
                    if ((parser.getCurrentToken() == JsonToken.FIELD_NAME)
                            && (parser.getText().compareTo("pattern") == 0)) {
                        if (parser.nextToken() == JsonToken.VALUE_STRING) {
                            pattern = parser.getText();
                        }
                    }
                }
                // add target pattern
                Pattern regexPattern = Pattern.compile(pattern);
                LocalJvmInfo.addTargetProcessPattern(shortName, regexPattern);
            }
        }
    }
}

From source file:net.opentsdb.utils.TestJSON.java

/** Helper to parse an input stream into a map */
private HashMap<String, String> parseToMap(final JsonParser jp) throws Exception {
    HashMap<String, String> map = new HashMap<String, String>();
    String field = "";
    String value;/*from   w  ww. j a  v  a  2s .  c o m*/
    while (jp.nextToken() != null) {
        if (jp.getCurrentToken() == JsonToken.FIELD_NAME && jp.getCurrentName() != null) {
            field = jp.getCurrentName();
        } else if (jp.getCurrentToken() == JsonToken.VALUE_STRING) {
            value = jp.getText();
            map.put(field, value);
        }
    }
    return map;
}

From source file:net.opentsdb.utils.TestJSON.java

/** Helper to parse an input stream into a map */
private HashMap<String, String> parseToMap(final InputStream is) throws Exception {
    JsonParser jp = JSON.parseToStream(is);
    HashMap<String, String> map = new HashMap<String, String>();
    String field = "";
    String value;/*from  w ww  .  j  ava2s  .c  om*/
    while (jp.nextToken() != null) {
        if (jp.getCurrentToken() == JsonToken.FIELD_NAME && jp.getCurrentName() != null) {
            field = jp.getCurrentName();
        } else if (jp.getCurrentToken() == JsonToken.VALUE_STRING) {
            value = jp.getText();
            map.put(field, value);
        }
    }
    return map;
}

From source file:net.floodlightcontroller.loadbalancer.PoolsResource.java

protected LBPool jsonToPool(String json) throws IOException {
    if (json == null)
        return null;

    MappingJsonFactory f = new MappingJsonFactory();
    JsonParser jp;
    LBPool pool = new LBPool();

    try {//from w w w .j  av  a  2  s.  com
        jp = f.createJsonParser(json);
    } catch (JsonParseException e) {
        throw new IOException(e);
    }

    jp.nextToken();
    if (jp.getCurrentToken() != JsonToken.START_OBJECT) {
        throw new IOException("Expected START_OBJECT");
    }

    while (jp.nextToken() != JsonToken.END_OBJECT) {
        if (jp.getCurrentToken() != JsonToken.FIELD_NAME) {
            throw new IOException("Expected FIELD_NAME");
        }

        String n = jp.getCurrentName();
        jp.nextToken();
        if (jp.getText().equals(""))
            continue;
        if (n.equals("id")) {
            pool.id = jp.getText();
            continue;
        }
        if (n.equals("tenant_id")) {
            pool.tenantId = jp.getText();
            continue;
        }
        if (n.equals("name")) {
            pool.name = jp.getText();
            continue;
        }
        if (n.equals("network_id")) {
            pool.netId = jp.getText();
            continue;
        }
        if (n.equals("lb_method")) {
            pool.lbMethod = Short.parseShort(jp.getText());
            continue;
        }
        if (n.equals("protocol")) {
            String tmp = jp.getText();
            if (tmp.equalsIgnoreCase("TCP")) {
                pool.protocol = IPv4.PROTOCOL_TCP;
            } else if (tmp.equalsIgnoreCase("UDP")) {
                pool.protocol = IPv4.PROTOCOL_UDP;
            } else if (tmp.equalsIgnoreCase("ICMP")) {
                pool.protocol = IPv4.PROTOCOL_ICMP;
            }
            continue;
        }
        if (n.equals("vip_id")) {
            pool.vipId = jp.getText();
            continue;
        }

        log.warn("Unrecognized field {} in " + "parsing Pools", jp.getText());
    }
    jp.close();

    return pool;
}

From source file:net.floodlightcontroller.loadbalancer.VipsResource.java

protected LBVip jsonToVip(String json) throws IOException {

    if (json == null)
        return null;

    MappingJsonFactory f = new MappingJsonFactory();
    JsonParser jp;
    LBVip vip = new LBVip();

    try {//from   w  w  w. j  a v  a  2 s  .  c o  m
        jp = f.createJsonParser(json);
    } catch (JsonParseException e) {
        throw new IOException(e);
    }

    jp.nextToken();
    if (jp.getCurrentToken() != JsonToken.START_OBJECT) {
        throw new IOException("Expected START_OBJECT");
    }

    while (jp.nextToken() != JsonToken.END_OBJECT) {
        if (jp.getCurrentToken() != JsonToken.FIELD_NAME) {
            throw new IOException("Expected FIELD_NAME");
        }

        String n = jp.getCurrentName();
        jp.nextToken();
        if (jp.getText().equals(""))
            continue;

        if (n.equals("id")) {
            vip.id = jp.getText();
            continue;
        }
        if (n.equals("tenant_id")) {
            vip.tenantId = jp.getText();
            continue;
        }
        if (n.equals("name")) {
            vip.name = jp.getText();
            continue;
        }
        if (n.equals("network_id")) {
            vip.netId = jp.getText();
            continue;
        }
        if (n.equals("protocol")) {
            String tmp = jp.getText();
            if (tmp.equalsIgnoreCase("TCP")) {
                vip.protocol = IPv4.PROTOCOL_TCP;
            } else if (tmp.equalsIgnoreCase("UDP")) {
                vip.protocol = IPv4.PROTOCOL_UDP;
            } else if (tmp.equalsIgnoreCase("ICMP")) {
                vip.protocol = IPv4.PROTOCOL_ICMP;
            }
            continue;
        }
        if (n.equals("address")) {
            vip.address = IPv4.toIPv4Address(jp.getText());
            continue;
        }
        if (n.equals("port")) {
            vip.port = Short.parseShort(jp.getText());
            continue;
        }
        if (n.equals("pool_id")) {
            vip.pools.add(jp.getText());
            continue;
        }

        log.warn("Unrecognized field {} in " + "parsing Vips", jp.getText());
    }
    jp.close();

    return vip;
}

From source file:org.metis.utils.Utils.java

/**
 * Recursively steps through JSON object and arrays of objects. We support
 * only a single object or an array of objects, where each object represents
 * an entity (e.g., a student, a customer, an account, etc.).
 * /*from  www  .  j  av a 2 s .  c  o m*/
 * All objects must have the same identical set of keys.
 * 
 * @param jp
 * @param params
 * @throws Exception
 */
private static void parseJson(JsonParser jp, List<Map<String, String>> rows) throws Exception {

    // get the next json token
    JsonToken current = jp.nextToken();

    // base case: return if we've reached end of json stream
    if (current == null) {
        return;
    }

    // all rows must have the identical set of keys!
    Map<String, String> firstRow = null;
    if (!rows.isEmpty()) {
        firstRow = rows.get(0);
    }

    // we only accept objects or arrays of objects
    switch (current) {
    case START_OBJECT:
        HashMap<String, String> row = new HashMap<String, String>();
        while (jp.nextToken() != END_OBJECT) {
            // parser should be on 'key' token
            String key = jp.getCurrentName().toLowerCase();
            // ensure all rows have the identical set of keys!
            if (firstRow != null && firstRow.get(key) == null) {
                String eStr = "parseJson: given list of json objects do " + "not have identical set of keys";
                LOG.error(eStr);
                throw new Exception(eStr);
            }
            // now advance to 'value' token
            jp.nextToken();
            String value = jp.getText();
            row.put(key, value);
        }
        // if row is not null, add it to the rows list
        if (!row.isEmpty()) {
            // ensure all rows have the identical set of keys!
            if (firstRow != null && firstRow.size() != row.size()) {
                String eStr = "parseJson: given list of json objects do "
                        + "not have identical set of keys; number of " + "keys vary";
                LOG.error(eStr);
                throw new Exception(eStr);
            }
            rows.add(row);
        }
        break;
    case START_ARRAY:
    case END_ARRAY:
        break;
    default:
        LOG.error("parseJson: ERROR, json token is neither object nor array");
        throw new Exception("parseJson: ERROR, json token is neither object nor array");
    }

    // go on to the next start-of-array, end-of-array, start-of-object, or
    // end of stream
    parseJson(jp, rows);
}

From source file:de.konqi.fitapi.auth.PublicKeysManager.java

/**
 * Forces a refresh of the public certificates downloaded from {@link #getPublicCertsEncodedUrl}.
 *
 * <p>//  w w w. ja v a 2  s .c  o m
 * This method is automatically called from {@link #getPublicKeys()} if the public keys have not
 * yet been initialized or if the expiration time is very close, so normally this doesn't need to
 * be called. Only call this method to explicitly force the public keys to be updated.
 * </p>
 */
public PublicKeysManager refresh() throws GeneralSecurityException, IOException {
    lock.lock();
    try {
        publicKeys = new ArrayList<PublicKey>();
        // HTTP request to public endpoint
        CertificateFactory factory = SecurityUtils.getX509CertificateFactory();
        HttpResponse certsResponse = transport.createRequestFactory()
                .buildGetRequest(new GenericUrl(publicCertsEncodedUrl)).execute();
        expirationTimeMilliseconds = clock.currentTimeMillis()
                + getCacheTimeInSec(certsResponse.getHeaders()) * 1000;
        // parse each public key in the JSON response
        JsonParser parser = jsonFactory.createJsonParser(certsResponse.getContent());
        JsonToken currentToken = parser.getCurrentToken();
        // token is null at start, so get next token
        if (currentToken == null) {
            currentToken = parser.nextToken();
        }
        Preconditions.checkArgument(currentToken == JsonToken.START_OBJECT);
        try {
            while (parser.nextToken() != JsonToken.END_OBJECT) {
                parser.nextToken();
                String certValue = parser.getText();
                X509Certificate x509Cert = (X509Certificate) factory
                        .generateCertificate(new ByteArrayInputStream(StringUtils.getBytesUtf8(certValue)));
                publicKeys.add(x509Cert.getPublicKey());
            }
            publicKeys = Collections.unmodifiableList(publicKeys);
        } finally {
            parser.close();
        }
        return this;
    } finally {
        lock.unlock();
    }
}

From source file:org.graylog2.gelfclient.encoder.GelfMessageJsonEncoderTest.java

@Test
public void testOptionalFullMessage() throws Exception {
    final EmbeddedChannel channel = new EmbeddedChannel(new GelfMessageJsonEncoder());
    final GelfMessage message = new GelfMessageBuilder("test").build();
    assertTrue(channel.writeOutbound(message));
    assertTrue(channel.finish());/*from   w  w w . jav  a  2s.  c  om*/

    final ByteBuf byteBuf = (ByteBuf) channel.readOutbound();
    final byte[] bytes = new byte[byteBuf.readableBytes()];
    byteBuf.getBytes(0, bytes).release();
    final JsonFactory json = new JsonFactory();
    final JsonParser parser = json.createParser(bytes);

    String version = null;
    Number timestamp = null;
    String host = null;
    String short_message = null;
    String full_message = null;
    Number level = null;

    while (parser.nextToken() != JsonToken.END_OBJECT) {
        String key = parser.getCurrentName();

        if (key == null) {
            continue;
        }

        parser.nextToken();

        switch (key) {
        case "version":
            version = parser.getText();
            break;
        case "timestamp":
            timestamp = parser.getNumberValue();
            break;
        case "host":
            host = parser.getText();
            break;
        case "short_message":
            short_message = parser.getText();
            break;
        case "full_message":
            full_message = parser.getText();
            break;
        case "level":
            level = parser.getNumberValue();
            break;
        default:
            throw new Exception("Found unexpected field in JSON payload: " + key);
        }
    }

    assertEquals(message.getVersion().toString(), version);
    assertEquals(message.getTimestamp(), timestamp);
    assertEquals(message.getHost(), host);
    assertEquals(message.getMessage(), short_message);
    assertNull(full_message);
    assertEquals(message.getLevel().getNumericLevel(), level);
}

From source file:org.apache.ode.jacob.soup.jackson.MessageDeserializer.java

@Override
public Message deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {

    long id = 0;/*from   www . j av  a 2s .co m*/
    String action = null;
    ChannelRef to = null;
    ChannelRef replyTo = null;
    Map<String, Object> headers = null;
    Object body = null;

    while (jp.nextToken() != JsonToken.END_OBJECT) {
        String fieldname = jp.getCurrentName();
        if (jp.getCurrentToken() == JsonToken.FIELD_NAME) {
            // if we're not already on the field, advance by one.
            jp.nextToken();
        }

        if ("id".equals(fieldname)) {
            id = jp.getLongValue();
        } else if ("action".equals(fieldname)) {
            action = jp.getText();
        } else if ("to".equals(fieldname)) {
            to = jp.readValueAs(ChannelRef.class);
        } else if ("replyTo".equals(fieldname)) {
            replyTo = jp.readValueAs(ChannelRef.class);
        } else if ("headers".equals(fieldname)) {
            headers = jp.readValueAs(mapTypeRef);
        } else if ("body".equals(fieldname)) {
            body = jp.readValueAs(Object.class);
        }
    }

    if (action == null) {
        throw ctxt.mappingException(Message.class);
    }

    if (to == null) {
        throw ctxt.mappingException(Message.class);
    }

    Message msg = new Message(to, replyTo, action);
    msg.setHeaders(headers);
    msg.setBody(body);
    msg.setId(id);

    return msg;
}

From source file:org.graylog2.gelfclient.encoder.GelfMessageJsonEncoderTest.java

@Test
public void testNullLevel() throws Exception {
    final EmbeddedChannel channel = new EmbeddedChannel(new GelfMessageJsonEncoder());
    final GelfMessage message = new GelfMessageBuilder("test").build();

    message.setLevel(null);//  w  w  w . j  ava2s  .c  o m

    assertTrue(channel.writeOutbound(message));
    assertTrue(channel.finish());

    final ByteBuf byteBuf = (ByteBuf) channel.readOutbound();
    final byte[] bytes = new byte[byteBuf.readableBytes()];
    byteBuf.getBytes(0, bytes).release();
    final JsonFactory json = new JsonFactory();
    final JsonParser parser = json.createParser(bytes);

    String version = null;
    Number timestamp = null;
    String host = null;
    String short_message = null;
    String full_message = null;
    Number level = null;

    while (parser.nextToken() != JsonToken.END_OBJECT) {
        String key = parser.getCurrentName();

        if (key == null) {
            continue;
        }

        parser.nextToken();

        switch (key) {
        case "version":
            version = parser.getText();
            break;
        case "timestamp":
            timestamp = parser.getNumberValue();
            break;
        case "host":
            host = parser.getText();
            break;
        case "short_message":
            short_message = parser.getText();
            break;
        case "full_message":
            full_message = parser.getText();
            break;
        case "level":
            level = parser.getNumberValue();
            break;
        default:
            throw new Exception("Found unexpected field in JSON payload: " + key);
        }
    }

    assertEquals(message.getVersion().toString(), version);
    assertEquals(message.getTimestamp(), timestamp);
    assertEquals(message.getHost(), host);
    assertEquals(message.getMessage(), short_message);
    assertNull(full_message);
    assertNull(level);
}