Example usage for com.fasterxml.jackson.databind ObjectReader readValue

Introduction

In this page you can find the example usage for com.fasterxml.jackson.databind ObjectReader readValue.

Prototype

@SuppressWarnings("unchecked")
public <T> T readValue(JsonNode src) throws IOException, JsonProcessingException

Source Link

Document

Convenience method for converting results from given JSON tree into given value type.

Usage

From source file:org.jenkinsci.plugins.jacksondatabind.JSONReadWrite.java

public static <T> T fromReader(Reader reader, Class<T> to) throws IOException {
    ObjectReader objReader = jsonMapper.reader(to);
    return objReader.readValue(reader);
}

From source file:org.jenkinsci.plugins.uithemes.util.JSONReadWrite.java

public static <T> T fromString(String string, Class<T> to) throws IOException {
    ObjectReader reader = jsonMapper.reader(to);
    return reader.readValue(string);
}

From source file:org.apache.metamodel.couchdb.CouchDbUtils.java

/**
 * Converts {@link JsonNode} to a {@link List}.
 * /*from  w ww.j  a v a 2 s  .co  m*/
 * @param valueNode
 *            The {@link JsonNode} to convert.
 * @return The {@link List} with values from {@link JsonNode}.
 */
public static Object jsonNodeToList(JsonNode valueNode) {
    if (valueNode == null) {
        return null;
    }
    try {
        ObjectReader reader = new ObjectMapper().reader(List.class);
        return reader.readValue(valueNode);
    } catch (Exception e) {
        throw new IllegalStateException(e);
    }
}

From source file:org.apache.metamodel.couchdb.CouchDbUtils.java

/**
 * Converts {@link JsonNode} to a {@link Map}.
 * /*from ww  w  .  jav  a2 s .  c o m*/
 * @param valueNode
 *            The {@link JsonNode} to convert.
 * @return The {@link Map} with values from {@link JsonNode}.
 */
public static Map<String, ?> jsonNodeToMap(JsonNode valueNode) {
    if (valueNode == null) {
        return null;
    }
    try {
        final ObjectReader reader = new ObjectMapper().reader(Map.class);
        return reader.readValue(valueNode);
    } catch (Exception e) {
        throw new IllegalStateException(e);
    }
}

From source file:io.syndesis.rest.v1.state.ClientSideState.java

static Object deserialize(final Class<?> type, final byte[] pickle) {
    final ObjectReader reader = MAPPER.readerFor(type);

    try {/*w  w  w  .j  a v  a  2  s.  co m*/
        return reader.readValue(pickle);
    } catch (final IOException e) {
        throw new IllegalArgumentException("Unable to deserialize given pickle to value", e);
    }
}

From source file:de.bund.bfr.knime.node.editableTable.JSONDataTable.java

/**
 * Loads a table from the settings given. If any errors occur null is returned.
 * @param settings the settings to load from
 * @return the table/*from  w  w w . ja v a2s  .  c  o  m*/
 * @since 2.10
 */
@JsonIgnore
public static JSONDataTable loadFromNodeSettings(final NodeSettingsRO settings) {
    String tableString = settings.getString(KNIME_DATA_TABLE_CONF, null);
    if (tableString == null) {
        return null;
    }
    ObjectMapper mapper = new ObjectMapper();
    mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
    JSONDataTable table = new JSONDataTable();
    ObjectReader reader = mapper.readerForUpdating(table);
    ClassLoader oldLoader = Thread.currentThread().getContextClassLoader();
    try {
        Thread.currentThread().setContextClassLoader(table.getClass().getClassLoader());
        reader.readValue(tableString);
        return table;
    } catch (IOException e) {
        LOGGER.error("Unable to load JSON data table: " + e.getMessage(), e);
        return null;
    } finally {
        Thread.currentThread().setContextClassLoader(oldLoader);
    }
}

From source file:com.cloudbees.workflow.util.JSONReadWrite.java

public <T> T fromString(String string, Class<T> to) throws IOException {
    ObjectReader reader = jsonMapper.reader(to);
    return reader.readValue(string);
}

From source file:com.basistech.rosette.dm.json.plain.MorphoDeserializerTest.java

@Test
public void comn130() throws Exception {
    ObjectMapper mapper = objectMapper();
    ObjectReader reader = mapper.readerFor(AnnotatedText.class);
    // threw/* ww  w  . jav  a  2  s  .c  om*/
    reader.readValue(new File("test-data/comn-130-adm.json"));
}

From source file:io.github.jdocker.common.vertx.JacksonCodec.java

@Override
public Object decodeFromWire(int pos, Buffer buffer) {
    ObjectReader reader = mapper.reader();
    try {//  w w  w. j  av  a  2s  . c  om
        return reader.readValue(buffer.toString(Charset.forName("UTF-8")));
    } catch (IOException e) {
        throw new IllegalStateException("Cannot decode json", e);
    }
}

From source file:bear.plugins.java.JenkinsCacheTest.java

@Test
public void testRead() throws Exception {
    ObjectReader reader = new ObjectMapper().reader(JenkinsCache.class);

    File file = new File("src/test/java/bear/plugins/java/jdks.json");
    JenkinsCache cache = reader.readValue(file);

    assertThat(cache.findJDK("7u51").get().name).isEqualTo("jdk-7u51-linux-x64.tar.gz");
    assertThat(cache.findJDK("7u51", false, true).get().name).isEqualTo("jdk-7u51-windows-x64.exe");

    assertThat(cache.findJDK("6u45").get().name).isEqualTo("jdk-6u45-linux-x64.bin");
}