org.codice.ddf.configuration.migration.ImportMigrationSystemPropertyReferencedEntryImpl.java Source code

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Here is the source code for org.codice.ddf.configuration.migration.ImportMigrationSystemPropertyReferencedEntryImpl.java

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/**
 * Copyright (c) Codice Foundation
 *
 * <p>This is free software: you can redistribute it and/or modify it under the terms of the GNU
 * Lesser General Public License as published by the Free Software Foundation, either version 3 of
 * the License, or any later version.
 *
 * <p>This program 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 Lesser General Public License for more details. A copy of the GNU Lesser General Public
 * License is distributed along with this program and can be found at
 * <http://www.gnu.org/licenses/lgpl.html>.
 */
package org.codice.ddf.configuration.migration;

import java.io.IOException;
import java.nio.file.LinkOption;
import java.util.Map;
import org.apache.commons.lang.StringUtils;
import org.codice.ddf.configuration.migration.util.AccessUtils;
import org.codice.ddf.migration.MigrationException;
import org.codice.ddf.migration.MigrationReport;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Defines a migration entry representing a property defined in system properties which value
 * references another migration entry.
 */
public class ImportMigrationSystemPropertyReferencedEntryImpl extends ImportMigrationPropertyReferencedEntryImpl {

    private static final Logger LOGGER = LoggerFactory
            .getLogger(ImportMigrationSystemPropertyReferencedEntryImpl.class);

    ImportMigrationSystemPropertyReferencedEntryImpl(ImportMigrationContextImpl context,
            Map<String, Object> metadata) {
        super(context, metadata);
    }

    @Override
    protected String toDebugString() {
        return String.format("system property reference [%s] as file [%s] from [%s]", getProperty(),
                getAbsolutePath(), getPath());
    }

    @Override
    protected void verifyPropertyAfterCompletion() {
        final MigrationReport report = getReport();

        report.doAfterCompletion(r -> AccessUtils.doPrivileged(() -> {
            LOGGER.debug("Verifying {}...", toDebugString());
            final String val = System.getProperty(getProperty());

            if (val == null) {
                r.record(new MigrationException(Messages.IMPORT_SYSTEM_PROPERTY_NOT_DEFINED_ERROR, getProperty(),
                        getPath()));
            } else if (StringUtils.isBlank(val)) {
                r.record(new MigrationException(Messages.IMPORT_SYSTEM_PROPERTY_IS_EMPTY_ERROR, getProperty(),
                        getPath()));
            } else {
                try {
                    if (!getAbsolutePath().toRealPath(LinkOption.NOFOLLOW_LINKS).equals(getContext().getPathUtils()
                            .resolveAgainstDDFHome(val).toRealPath(LinkOption.NOFOLLOW_LINKS))) {
                        r.record(new MigrationException(Messages.IMPORT_SYSTEM_PROPERTY_ERROR, getProperty(),
                                getPath(), "is now set to [" + val + ']'));
                    }
                } catch (IOException e) {
                    // cannot determine the location of either so it must not exist or be
                    // different anyway
                    r.record(new MigrationException(Messages.IMPORT_SYSTEM_PROPERTY_ERROR, getProperty(), getPath(),
                            String.format("is now set to [%s]; %s", val, e.getMessage()), e));
                }
            }
        }));
    }
}