org.primefaces.metadata.transformer.AbstractInputMetadataTransformer Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of primefaces Show documentation

PrimeFaces is one of the most popular UI libraries in Java EE Ecosystem and widely used by software companies, world renowned brands, banks, financial institutions, insurance companies, universities and more.

There is a newer version: 14.0.5

Show newest version

/**
 * Copyright 2009-2018 PrimeTek.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.primefaces.metadata.transformer;

import java.io.IOException;
import javax.faces.component.EditableValueHolder;
import javax.faces.component.UIComponent;
import javax.faces.component.UIInput;
import javax.faces.component.html.HtmlInputSecret;
import javax.faces.component.html.HtmlInputText;
import javax.faces.context.FacesContext;
import org.primefaces.component.inputtextarea.InputTextarea;
import org.primefaces.context.RequestContext;

public abstract class AbstractInputMetadataTransformer implements MetadataTransformer {

    @Override
    public void transform(FacesContext context, RequestContext requestContext, UIComponent component) throws IOException {
        if (component instanceof EditableValueHolder && component instanceof UIInput) {
            transformInput(context, requestContext, (UIInput) component);
        }
    }

    protected abstract void transformInput(FacesContext context, RequestContext requestContext, UIInput component) throws IOException;

    protected void setMaxlength(UIInput input, int maxlength) {
        if (input instanceof HtmlInputText) {
            ((HtmlInputText) input).setMaxlength(maxlength);
        }
        else if (input instanceof HtmlInputSecret) {
            ((HtmlInputSecret) input).setMaxlength(maxlength);
        }
        else if (input instanceof InputTextarea) {
            ((InputTextarea) input).setMaxlength(maxlength);
        }
    }

    protected int getMaxlength(UIInput input) {
        if (input instanceof HtmlInputText) {
            return ((HtmlInputText) input).getMaxlength();
        }
        else if (input instanceof HtmlInputSecret) {
            return ((HtmlInputSecret) input).getMaxlength();
        }

        return Integer.MIN_VALUE;
    }

    protected boolean isMaxlenghtSet(UIInput input) {
        return getMaxlength(input) != Integer.MIN_VALUE;
    }

}