LongParam.java

package weiboclient4j.params;

/**
 * @author Hover Ruan
 */
public abstract class LongParam implements ParameterAction {
    private long value;

    public LongParam(long value) {
        this.value = value;
    }

    public LongParam(String aLongValue) {
        try {
            this.value = Long.parseLong(aLongValue);
        } catch (NumberFormatException e) {
            throw new NumberFormatException(String.format("%s value [%s] is not a valid long number",
                    getClass().getSimpleName(), aLongValue));
        }
    }

    public long getValue() {
        return value;
    }

    @Override
    public String toString() {
        return String.valueOf(value);
    }

    public boolean isValid() {
        return value > 0;
    }

    protected abstract String paramKey();

    public void addParameter(Parameters params) {
        if (isValid()) {
            params.add(paramKey(), getValue());
        }
    }
}