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

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Here is the source code for com.clican.pluto.cms.ui.ext.converter.DataModelConverter.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 wezhang
 *
 */
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.cms.core.service.DataModelService;
import com.clican.pluto.common.constant.Constants;
import com.clican.pluto.orm.dynamic.inter.IDataModel;

@Name("dataModelConverter")
@Scope(ScopeType.STATELESS)
@BypassInterceptors
@Converter
public class DataModelConverter 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 {
            DataModelService dataModelService = (DataModelService) Constants.ctx.getBean("dataModelService");
            return dataModelService.loadDataModel(modelClass, new Long(value));
        }
    }

    public String getAsString(FacesContext context, UIComponent component, Object value) {
        if (value == null) {
            return null;
        } else if (value instanceof IDataModel) {
            return ((IDataModel) value).getId().toString();
        } 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;
    }

}

// $Id$