dattln.web.view.BaseView.java Source code

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Here is the source code for dattln.web.view.BaseView.java

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/*
 * The MIT License
 *
 * Copyright 2015 nikku.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package dattln.web.view;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.google.common.base.Charsets;

import dattln.model.User;
import io.dropwizard.views.View;
import java.util.ArrayList;
import java.util.List;
import dattln.util.Types;

/**
 *
 * @author nikku
 * @param <T>
 */
public class BaseView<T extends BaseView> extends View {

    public static class Message {

        private String title;
        private String content;

        public Message(String content) {
            this(null, content);
        }

        public Message(String title, String content) {
            this.title = title;
            this.content = content;
        }

        public String getTitle() {
            return title;
        }

        public String getContent() {
            return content;
        }
    }

    @JsonIgnore
    private final Class<T> viewCls;

    @JsonIgnore
    private User user;

    @JsonIgnore
    private List<Message> messages = new ArrayList<>();

    @JsonIgnore
    private List<Message> errors = new ArrayList<>();

    @JsonIgnore
    protected boolean layout = true;

    public BaseView(String template) {
        super(template, Charsets.UTF_8);

        this.viewCls = (Class<T>) Types.inferActualType(this.getClass(), 0);
    }

    public List<Message> getMessages() {
        return messages;
    }

    public List<Message> getErrors() {
        return errors;
    }

    public User getUser() {
        return user;
    }

    public T addMessage(String content) {
        return this.addMessage(new Message(content));
    }

    public T addMessage(String title, String content) {
        return this.addMessage(new Message(title, content));
    }

    public T addMessage(Message message) {
        return chain(() -> this.messages.add(message));
    }

    public T addError(String content) {
        return this.addError(new Message(content));
    }

    public T addError(Message message) {
        return chain(() -> this.errors.add(message));
    }

    public T withUser(User user) {
        return chain(() -> this.user = user);
    }

    public boolean isLayout() {
        return layout;
    }

    public T useLayout(boolean layout) {
        return chain(() -> this.layout = layout);
    }

    protected T chain(Runnable runnable) {
        runnable.run();

        return viewCls.cast(this);
    }
}