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/**
 * 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;
    }

}




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