Java tutorial
package com.azaptree.services.security; /* * #%L * AZAPTREE SECURITY SERVICE * %% * Copyright (C) 2012 - 2013 AZAPTREE.COM * %% * 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. * #L% */ import java.util.Date; import org.apache.commons.lang3.builder.ToStringBuilder; import org.apache.commons.lang3.builder.ToStringStyle; import org.springframework.util.Assert; public class Credential { private final String name; private final Object credential; private final Date expiresOn; public Credential(final String name, final Object credential) { Assert.hasText(name, "name is required"); Assert.notNull(credential, "credential is required"); this.name = name; this.credential = credential; expiresOn = null; } public Credential(final String name, final Object credential, final Date expiresOn) { Assert.hasText(name, "name is required"); Assert.notNull(credential, "credential is required"); Assert.notNull(expiresOn, "expiresOn is required"); this.name = name; this.credential = credential; this.expiresOn = expiresOn; } @Override public boolean equals(final Object obj) { if (this == obj) { return true; } if (obj == null) { return false; } if (getClass() != obj.getClass()) { return false; } final Credential other = (Credential) obj; if (name == null) { if (other.name != null) { return false; } } else if (!name.equals(other.name)) { return false; } return true; } public Object getCredential() { return credential; } public Date getExpiresOn() { return expiresOn; } public String getName() { return name; } @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + (name == null ? 0 : name.hashCode()); return result; } @Override public String toString() { return new ToStringBuilder(this, ToStringStyle.MULTI_LINE_STYLE).append("name", name) .append("credential.class", credential.getClass().getName()).append("expiresOn", expiresOn) .toString(); } }