com.clican.pluto.cms.ui.ext.converter.NumberConverter.java Source code

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Here is the source code for com.clican.pluto.cms.ui.ext.converter.NumberConverter.java

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/**
 * The Clican-Pluto software suit is Copyright 2009, Clican Company
 * and individual contributors, and is licensed under the GNU LGPL.
 *
 * @author weizha
 *
 */
package com.clican.pluto.cms.ui.ext.converter;

import javax.faces.component.StateHolder;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.ConverterException;

import org.apache.commons.lang.StringUtils;
import org.jboss.seam.ScopeType;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Scope;
import org.jboss.seam.annotations.faces.Converter;
import org.jboss.seam.annotations.intercept.BypassInterceptors;

import com.clican.pluto.common.util.TypeUtils;

@Name("numberConverter")
@Scope(ScopeType.STATELESS)
@BypassInterceptors
@Converter
public class NumberConverter extends BaseConverter implements StateHolder {

    private String modelClass;

    public String getModelClass() {
        return modelClass;
    }

    public void setModelClass(String modelClass) {
        this.modelClass = modelClass;
    }

    public Object getAsObject(FacesContext context, UIComponent component, String value) {
        if (StringUtils.isEmpty(value)) {
            return null;
        } else {
            try {
                return TypeUtils.stringToNumber(value, Class.forName(modelClass));
            } catch (Exception e) {
                log.error("", e);
            }
            return null;
        }
    }

    public String getAsString(FacesContext context, UIComponent component, Object value) {
        if (value == null) {
            return null;
        } else if (value instanceof Number) {
            return value + "";
        } else {
            throw new ConverterException();
        }
    }

    private boolean transientFlag = false;

    public boolean isTransient() {
        return transientFlag;
    }

    public void restoreState(FacesContext context, Object state) {
        Object values[] = (Object[]) state;
        modelClass = (String) values[0];
    }

    public Object saveState(FacesContext context) {
        Object values[] = new Object[1];
        values[0] = modelClass;
        return (values);
    }

    public void setTransient(boolean newTransientValue) {
        this.transientFlag = newTransientValue;
    }
}

// $Id$