Example usage for com.google.gwt.json.client JSONValue isNull

Introduction

In this page you can find the example usage for com.google.gwt.json.client JSONValue isNull.

Prototype

public JSONNull isNull()

Source Link

Document

Returns a non-null reference if this JSONValue is really a JSONNull.

Usage

From source file:ccc.client.gwt.core.GWTJson.java

License:Open Source License

/** {@inheritDoc} */
@Override//from w ww .j  a  va 2s  . com
public Boolean getBool(final String key) {
    final JSONValue value = _delegate.get(key);
    if (null == value) {
        throw new S11nException("Missing key: " + key);
    } else if (null != value.isNull()) {
        return null;
    }
    return Boolean.valueOf(value.isBoolean().booleanValue());
}

From source file:ccc.client.gwt.core.GWTJson.java

License:Open Source License

/** {@inheritDoc} */
@Override//w  ww .  j a  va2  s  .  c o m
public Date getDate(final String key) {
    final JSONValue value = _delegate.get(key);
    if (null == value) {
        throw new S11nException("Missing key: " + key);
    } else if (null != value.isNull()) {
        return null;
    }
    // TODO: Handle non integers
    return new Date((long) value.isNumber().doubleValue());
}

From source file:ccc.client.gwt.core.GWTJson.java

License:Open Source License

/** {@inheritDoc} */
@Override//from   w w w.java 2 s .c  om
public BigDecimal getBigDecimal(final String key) {
    final JSONValue value = _delegate.get(key);
    if (null == value) {
        throw new S11nException("Missing key: " + key);
    } else if (null != value.isNull()) {
        return null;
    }
    return new BigDecimal(value.isString().stringValue());
}

From source file:ccc.client.gwt.core.GWTJson.java

License:Open Source License

/** {@inheritDoc} */
@Override/* www.jav  a 2s  .  c o  m*/
public UUID getId(final String key) {
    final JSONValue value = _delegate.get(key);
    if (null == value) {
        throw new S11nException("Missing key: " + key);
    } else if (null != value.isNull()) {
        return null;
    }
    return UUID.fromString(value.isString().stringValue());
}

From source file:ccc.client.gwt.core.GWTJson.java

License:Open Source License

/** {@inheritDoc} */
@Override//  ww  w .  j  a  va 2 s .  c  o m
public Integer getInt(final String key) {
    final JSONValue value = _delegate.get(key);
    if (null == value) {
        throw new S11nException("Missing key: " + key);
    } else if (null != value.isNull()) {
        return null;
    }
    // TODO: Handle non integers; handle values larger than maxInt, etc.
    return Integer.valueOf((int) value.isNumber().doubleValue());
}

From source file:ccc.client.gwt.core.GWTJson.java

License:Open Source License

/** {@inheritDoc} */
@Override/*  w w w. j  a va 2 s  . com*/
public Json getJson(final String key) {
    final JSONValue value = _delegate.get(key);
    if (null == value) {
        throw new S11nException("Missing key: " + key);
    } else if (null != value.isNull()) {
        return null;
    }
    return new GWTJson(value.isObject());
}

From source file:ccc.client.gwt.core.GWTJson.java

License:Open Source License

/** {@inheritDoc} */
@Override/*w ww  . j av a  2 s  . c o  m*/
public String getString(final String key) {
    final JSONValue value = _delegate.get(key);
    if (null == value) {
        throw new S11nException("Missing key: " + key);
    } else if (null != value.isNull()) {
        return null;
    }
    return value.isString().stringValue();
}

From source file:ccc.client.gwt.core.GWTJson.java

License:Open Source License

/** {@inheritDoc} */
@Override/*from  w  w  w .j a  v  a  2s . c  om*/
public Collection<String> getStrings(final String key) {
    final JSONValue value = _delegate.get(key);
    if (null == value) {
        throw new S11nException("Missing key: " + key);
    } else if (null != value.isNull()) {
        return null;
    }

    final Collection<String> strings = new ArrayList<String>();

    final JSONArray array = value.isArray();
    for (int i = 0; i < array.size(); i++) {
        final JSONValue arrayElement = array.get(i);
        if (null != arrayElement.isNull()) {
            strings.add(null);
        } else {
            strings.add(arrayElement.isString().stringValue());
        }
    }

    return strings;
}

From source file:ccc.client.gwt.core.GWTJson.java

License:Open Source License

/** {@inheritDoc} */
@Override/*from   w w  w  .  j a v a 2  s .  c o  m*/
public Long getLong(final String key) {
    final JSONValue value = _delegate.get(key);
    if (null == value) {
        throw new S11nException("Missing key: " + key);
    } else if (null != value.isNull()) {
        return null;
    }
    // TODO: Handle non integers; handle values larger than maxLong, etc.
    return Long.valueOf((long) value.isNumber().doubleValue());
}

From source file:ccc.client.gwt.core.GWTJson.java

License:Open Source License

/** {@inheritDoc} */
@Override//w w w . ja va 2 s.c  o  m
public Map<String, String> getStringMap(final String key) {
    final Map<String, String> value = new HashMap<String, String>();
    final JSONValue v = _delegate.get(key);
    if (null == v) {
        throw new S11nException("Missing key: " + key);
    } else if (null != v.isNull()) {
        return null;
    }
    final JSONObject o = v.isObject();
    for (final String mapKey : o.keySet()) {
        final JSONValue mapValue = o.get(mapKey);
        if (null != mapValue.isNull()) {
            value.put(mapKey, null);
        } else {
            value.put(mapKey, mapValue.isString().stringValue());
        }
    }
    return value;
}