com.barryku.android.boxnet.BrowseActivity.java Source code

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Here is the source code for com.barryku.android.boxnet.BrowseActivity.java

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/*
 * Copyright 2011 Barry Ku.
 *
 * 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 com.barryku.android.boxnet;

import static com.barryku.android.boxnet.Constants.*;

import org.springframework.web.client.RestTemplate;

import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.Uri;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.webkit.WebView;

import com.barryku.android.boxnet.model.AccountTree;
import com.barryku.android.boxnet.model.FileItem;
import com.barryku.android.boxnet.model.FolderItem;
import com.barryku.android.boxnet.model.RestResponse;

public class BrowseActivity extends Activity {

    private String restUri;
    private String apiKey;
    private String authToken;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.browse);
        restUri = getString(R.string.rest_uri);
        apiKey = getString(R.string.api_key);

        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
        String folderId = prefs.getString(LAST_VIEWED_FOLDER, "0");
        authToken = prefs.getString(AUTH_TOKEN_KEY, "");

        Uri uri = this.getIntent().getData();
        if (uri != null) {
            folderId = uri.getPath().substring(1);
        }
        Log.d(LOG_TAG, "loading folder from onCreate()");
        loadFolder(folderId);

    }

    @Override
    protected void onNewIntent(Intent intent) {
        super.onNewIntent(intent);

        Uri uri = intent.getData();

        Log.d(LOG_TAG, "loading folder from onNewIntent() from:" + uri);
        loadFolder(uri.getPath().substring(1)); //remove leading slash
    }

    private void loadFolder(String folderId) {
        String browseUri = BOX_INTENT_SCHEME + "://" + BOX_INTENT_BROWSE + "/";
        String uploadUri = BOX_INTENT_SCHEME + "://" + BOX_INTENT_UPLOAD + "/";
        ;
        String downloadUri = DOWNLOAD_URI + authToken + "/";
        String homeUrl = browseUri + 0;

        if (folderId == null || folderId.equals(""))
            folderId = "0";

        Log.d(LOG_TAG, "loading folder:" + folderId);
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
        SharedPreferences.Editor editor = prefs.edit();
        editor.putString(LAST_VIEWED_FOLDER, folderId);
        editor.commit();

        RestTemplate rest = RestUtil.getRestTemplate();
        String requestUri = restUri + "get_account_tree&params[]=nozip&params[]=onelevel&folder_id={folderId}";
        AccountTree response = rest.getForObject(requestUri, AccountTree.class, apiKey, authToken, folderId);

        //authToken expires at certain interval which will require authentication again
        if (!STATUS_LISTING_OK.equals(response.getStatus())) {
            Log.d(LOG_TAG, "authToken no longer works");
            clearPreferences(prefs);
        }

        StringBuilder sb = new StringBuilder();
        if (response == null) {
            sb.append("no data found");
        } else {
            if (!"0".equals(folderId)) {
                sb.append("<a href=\"").append(homeUrl).append("\">").append("<img src=\"").append(IMG_HOME_URL)
                        .append("\"> ").append("return to home").append("</a><br>");
            }

            if (response.getFolders() != null) {
                for (FolderItem folder : response.getFolders()) {
                    sb.append("<a href=\"").append(browseUri).append(folder.getId()).append("\">")
                            .append("<img src=\"").append(IMG_FOLDER_URL).append("\"> ").append(folder.getName())
                            .append("</a><br>");
                }
            }

            if (response.getFiles() != null) {
                for (FileItem file : response.getFiles()) {
                    sb.append("<a href=\"").append(downloadUri).append(file.getId()).append("\">")
                            .append(file.getName()).append("</a><br/>");
                }
            }

            sb.append("<br/><br/><a href=\"").append(uploadUri).append(folderId).append("\">")
                    .append("upload file ").append("<img src=\"").append(IMG_UPLOAD_URL).append("\"></a>");

            final WebView detailResult = (WebView) findViewById(R.id.browseView);
            detailResult.getSettings().setBuiltInZoomControls(true);
            detailResult.loadDataWithBaseURL("fake://notused", "<html><body>" + sb.toString() + "</body></html>",
                    "text/html", "UTF-8", "");
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.browse_option_menu, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case R.id.logout:
            RestTemplate rest = RestUtil.getRestTemplate();
            RestResponse response = rest.getForObject(getString(R.string.logout_uri), RestResponse.class, apiKey,
                    authToken);
            Log.d(LOG_TAG, "log out with status:" + response.getStatus());
            clearPreferences(PreferenceManager.getDefaultSharedPreferences(this));
            break;

        }
        return super.onOptionsItemSelected(item);
    }

    private void clearPreferences(SharedPreferences prefs) {
        SharedPreferences.Editor editor = prefs.edit();
        editor = prefs.edit();
        editor.clear();
        editor.commit();
        Intent authIntent = new Intent(this, AuthActivity.class);
        startActivity(authIntent);
    }
}