org.opendatakit.common.android.utilities.ODKDataUtils.java Source code

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Here is the source code for org.opendatakit.common.android.utilities.ODKDataUtils.java

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/*
 * Copyright (C) 2014 University of Washington
 *
 * 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 org.opendatakit.common.android.utilities;

import java.io.IOException;
import java.util.Locale;
import java.util.Map;
import java.util.UUID;

import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonMappingException;

public class ODKDataUtils {

    public static String genUUID() {
        return "uuid:" + UUID.randomUUID().toString();
    }

    @SuppressWarnings("unchecked")
    public static String getLocalizedDisplayName(String displayName) {
        Locale locale = Locale.getDefault();
        String full_locale = locale.toString();
        int underscore = full_locale.indexOf('_');
        String lang_only_locale = (underscore == -1) ? full_locale : full_locale.substring(0, underscore);

        if (displayName.startsWith("\"") && displayName.endsWith("\"")) {
            return displayName.substring(1, displayName.length() - 1);
        } else if (displayName.startsWith("{") && displayName.endsWith("}")) {
            try {
                Map<String, Object> localeMap = ODKFileUtils.mapper.readValue(displayName, Map.class);
                String candidate = (String) localeMap.get(full_locale);
                if (candidate != null) {
                    return candidate;
                }
                candidate = (String) localeMap.get(lang_only_locale);
                if (candidate != null) {
                    return candidate;
                }
                candidate = (String) localeMap.get("default");
                if (candidate != null) {
                    return candidate;
                }
                return null;
            } catch (JsonParseException e) {
                e.printStackTrace();
                throw new IllegalStateException("bad displayName: " + displayName);
            } catch (JsonMappingException e) {
                e.printStackTrace();
                throw new IllegalStateException("bad displayName: " + displayName);
            } catch (IOException e) {
                e.printStackTrace();
                throw new IllegalStateException("bad displayName: " + displayName);
            }
        } else {
            throw new IllegalStateException("bad displayName: " + displayName);
        }
    }

    public static String getLocalizedDisplayName(Map<String, Object> localeMap) {
        Locale locale = Locale.getDefault();
        String full_locale = locale.toString();
        int underscore = full_locale.indexOf('_');
        String lang_only_locale = (underscore == -1) ? full_locale : full_locale.substring(0, underscore);

        String candidate = (String) localeMap.get(full_locale);
        if (candidate != null) {
            return candidate;
        }
        candidate = (String) localeMap.get(lang_only_locale);
        if (candidate != null) {
            return candidate;
        }
        candidate = (String) localeMap.get("default");
        if (candidate != null) {
            return candidate;
        }
        return null;
    }

}