Example usage for java.lang Class cast

Introduction

In this page you can find the example usage for java.lang Class cast.

Prototype

@SuppressWarnings("unchecked")
@HotSpotIntrinsicCandidate
public T cast(Object obj)

Source Link

Document

Casts an object to the class or interface represented by this Class object.

Usage

From source file:com.googlesource.gerrit.plugins.rabbitmq.config.PluginProperties.java

@Override
public <T extends Section> T getSection(Class<T> clazz) {
    for (Section section : sections) {
        if (section.getClass() == clazz) {
            return clazz.cast(section);
        }/* ww w.  j  a  va  2s. co m*/
    }
    return null;
}

From source file:com.nominanuda.hyperapi.HttpClientHyperApiFactory.java

public <T> T getInstance(String instanceHint, Class<? extends T> cl) {
    InvocationHandler handler = new HyperApiHttpInvocationHandler(cl, client,
            ifNull(uriPrefix, "") + ifNull(instanceHint, ""));
    Object p = Proxy.newProxyInstance(cl.getClassLoader(), new Class[] { cl }, handler);
    return cl.cast(p);
}

From source file:org.apache.taverna.scufl2.rdfxml.ParserState.java

public <T extends WorkflowBean> T getCurrent(Class<T> beanType) {
    if (getStack().isEmpty())
        throw new IllegalStateException("Parser stack is empty");
    if (beanType.isInstance(getStack().peek()))
        return beanType.cast(getStack().peek());
    T candidate = null;//from   w  w  w. j  a  va  2s  .c om
    for (WorkflowBean bean : getStack())
        if (beanType.isInstance(bean))
            // Don't return - we want the *last* candidate
            candidate = beanType.cast(bean);
    if (candidate == null)
        throw new IllegalStateException("Could not find a " + beanType + " on parser stack");
    return candidate;
}

From source file:com.shigengyu.hyperion.core.TransitionParameterSet.java

public <T> T get(final Class<T> clazz, String name) {
    if (parameters.containsKey(name)) {
        Object value = parameters.get(name).getValue();
        if (value == null) {
            return null;
        }//from  ww w  .  ja v  a 2s.  co  m
        try {
            return clazz.cast(value);
        } catch (ClassCastException e) {
            throw new WorkflowExecutionException("Cannot cast value of transition parameter [" + name
                    + "] from type [" + value.getClass().getName() + "] to type [" + clazz.getName() + "]");
        }
    } else {
        return null;
    }
}

From source file:jp.go.aist.six.util.core.xml.castor.CastorXmlMapper.java

public <T> T unmarshal(final Source source, final Class<T> type) {
    Object obj = unmarshal(source);
    return type.cast(obj);
}

From source file:jp.go.aist.six.util.core.xml.castor.CastorXmlMapper.java

public <T> T unmarshal(final InputStream stream, final Class<T> type) {
    Object obj = unmarshal(stream);
    return type.cast(obj);
}

From source file:jp.go.aist.six.util.core.xml.castor.CastorXmlMapper.java

public <T> T unmarshal(final Reader reader, final Class<T> type) {
    Object obj = unmarshal(reader);
    return type.cast(obj);
}

From source file:edu.jhuapl.graphs.jfreechart.JFreeChartBaseSource.java

protected <T> T getParam(Map<String, Object> params, String fieldName, Class<T> klazz, T defaultValue) {
    Object val = params.get(fieldName);
    if (klazz.isInstance(val)) {
        return klazz.cast(val);
    } else {/*w w  w . ja v a 2s.c om*/
        return defaultValue;
    }
}

From source file:hudson.util.PersistedList.java

public <U extends T> U get(Class<U> type) {
    for (T t : data)
        if (type.isInstance(t))
            return type.cast(t);
    return null;/*from ww  w  .  jav a  2  s . c  o m*/
}

From source file:org.jsfr.json.provider.JacksonProvider.java

@Override
public <T> T cast(JsonNode value, Class<T> tClass) {
    try {/*from w w w.j  a va2  s  .c om*/
        if (om.canDeserialize(om.getTypeFactory().constructType(tClass))) {
            return om.treeToValue(value, tClass);
        } else {
            return tClass.cast(value);
        }
    } catch (JsonProcessingException e) {
        throw new JsonSurfingException(e);
    }
}