--- /dev/null
+/*
+ * Copyright (C) 2015 Roland Haeder
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.mxchange.addressbook.validator.addressbook;
+
+import java.text.MessageFormat;
+import javax.faces.application.FacesMessage;
+import javax.faces.component.UIComponent;
+import javax.faces.context.FacesContext;
+import javax.faces.validator.ValidatorException;
+import javax.faces.view.facelets.FaceletException;
+import javax.naming.Context;
+import javax.naming.InitialContext;
+import javax.naming.NamingException;
+import org.mxchange.addressbook.model.addressbook.AddressbookSessionBeanRemote;
+import org.mxchange.jcoreee.validator.number.BaseLongValidator;
+
+/**
+ * A validator for address book id verification
+ * <p>
+ * @author Roland Haeder
+ */
+public class AddressbookIdValidator extends BaseLongValidator {
+
+ /**
+ * Serial number
+ */
+ private static final long serialVersionUID = 158_768_467_186_951_809L;
+
+ /**
+ * Remote bean
+ */
+ private AddressbookSessionBeanRemote addressbookBean;
+
+ /**
+ * Default constructor
+ */
+ public AddressbookIdValidator () {
+ // Try it
+ try {
+ // Get context
+ Context context = new InitialContext();
+
+ // Try to to lookup the bean
+ this.addressbookBean = (AddressbookSessionBeanRemote) context.lookup("ejb/stateless-addressbook");
+ } catch (final NamingException ex) {
+ // Throw again
+ throw new FaceletException(ex);
+ }
+ }
+
+ @Override
+ public void validate (final FacesContext context, final UIComponent component, final Object value) throws ValidatorException {
+ // Trace message
+ //this.getLogger().logTrace(MessageFormat.format("validate: context={0},component={1},value={2} - CALLED!", context, component, value)); //NOI18N
+
+ // All accepted, required fields
+ String[] requiredFileds = {"addressbookId"}; //NOI18N
+
+ // Pre-validation (example: not null, not a string, empty string ...)
+ super.preValidate(context, component, value, requiredFileds, false);
+
+ // Is the address book id valid?
+ if (!this.addressbookBean.isAddressbookIdUsed((Long) value)) {
+ // Is not valid
+ throw new ValidatorException(new FacesMessage(MessageFormat.format("No address book found with id {0}. Please check your link.", value)));
+ }
+
+ // Trace message
+ //this.getLogger().logTrace("validate: EXIT!"); //NOI18N
+ }
+}