XLocalMode.java

/*
 Copyright 2012-2013, Polyvi Inc. (http://polyvi.github.io/openxface)
 This program is distributed under the terms of the GNU General Public License.

 This file is part of xFace.

 xFace 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.

 xFace 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 xFace.  If not, see <http://www.gnu.org/licenses/>.
*/

package com.polyvi.xface.core;

import java.io.File;
import java.util.Iterator;

import com.polyvi.xface.XSecurityPolicy;
import com.polyvi.xface.app.XApplication;
import com.polyvi.xface.util.XConstant;
import com.polyvi.xface.util.XFileUtils;
import com.polyvi.xface.util.XLog;
import com.polyvi.xface.util.XStrings;

/**
 * 本地模式，应用的所有文件都在本地目录 指应用放到本地磁盘 离散的形式
 */
public class XLocalMode extends XAppRunningMode implements XAppCheckListener {
    private static final String CLASS_NAME = XLocalMode.class.getName();

    @Override
    public String getAppUrl(XApplication app) {
        if (null == app) {
            XLog.e(CLASS_NAME, "Application object is null!");
            return null;
        }
        String appSourceRoot = app.getAppInfo().getSrcRoot();
        if (null == appSourceRoot) {
            appSourceRoot = XConstant.FILE_SCHEME
                    + XConfiguration.getInstance().getAppInstallDir()
                    + app.getAppId();
        }
        String startPage = app.getAppInfo().getEntry();
        if (startPage.startsWith(File.separator)) {
            return appSourceRoot + startPage;
        } else {
            return appSourceRoot + File.separator + startPage;
        }
    }

    @Override
    public void loadApp(XApplication app, XSecurityPolicy policy) {
        policy.checkAppStart(app, this);
    }

    @Override
    public RUNNING_MODE getRunningMode() {
        return RUNNING_MODE.LOCAL;
    }

    @Override
    public Iterator<byte[]> createResourceIterator(XApplication app,
            XIResourceFilter filter) {
        return new XLocalResourceIterator(app.getIntalledDir(), filter);
    }

    @Override
    public void onCheckSuccess(XApplication app, XISystemContext ctx) {
        String appUrl = getAppUrl(app);
        if (XFileUtils.fileExists(ctx.getContext(), appUrl)) {
            app.loadAppIntoView(appUrl);
        } else {
            app.getSystemContext().toast(
                    XStrings.getInstance().getString(XStrings.ENTRY_NOT_FOUND));
            app.loadErrorPage();
        }
    }

    @Override
    public void onCheckError(XApplication app, XISystemContext ctx) {
        app.loadErrorPage();
    }

    @Override
    public void onCheckStart(XApplication app, XISystemContext ctx) {

    }

}