org.eclipse.titan.log.viewer.properties.PropertyStore.java Source code

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Here is the source code for org.eclipse.titan.log.viewer.properties.PropertyStore.java

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/******************************************************************************
 * Copyright (c) 2000-2016 Ericsson Telecom AB
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 ******************************************************************************/
package org.eclipse.titan.log.viewer.properties;

import java.io.IOException;
import java.io.OutputStream;

import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferenceStore;
import org.eclipse.titan.common.logging.ErrorReporter;
import org.eclipse.titan.log.viewer.utils.Messages;
import org.eclipse.titan.log.viewer.utils.ResourcePropertyHandler;

/**
 * Property Store
 *
 */
public class PropertyStore extends PreferenceStore {
    private IResource resource;
    private IPreferenceStore workbenchStore;
    private String pageId;
    private boolean inserting = false;

    /**
     * Constructor
     * @param resource the resource
     * @param workbenchStore the workbench store
     * @param pageId the page id
     */
    public PropertyStore(final IResource resource, final IPreferenceStore workbenchStore, final String pageId) {
        this.resource = resource;
        this.workbenchStore = workbenchStore;
        this.pageId = pageId;
    }

    @Override
    public void save() throws IOException {
        writeProperties();

    }

    @Override
    public void save(final OutputStream out, final String header) throws IOException {
        writeProperties();
    }

    /**
     * Writes modified preferences into resource properties.
     */
    private void writeProperties() throws IOException {
        String[] preferences = super.preferenceNames();
        for (int i = 0; i < preferences.length; i++) {
            String propertyKey = preferences[i];
            try {
                ResourcePropertyHandler.setProperty(this.resource, this.pageId, propertyKey,
                        getString(propertyKey));
            } catch (CoreException e) {
                ErrorReporter.logExceptionStackTrace(e);
                throw new IOException(Messages.getString("PropertyStore.0") + propertyKey); //$NON-NLS-1$
            }
        }
    }

    /*** Get default values (Delegate to workbench store) ***/

    @Override
    public boolean getDefaultBoolean(final String name) {
        return this.workbenchStore.getDefaultBoolean(name);
    }

    @Override
    public double getDefaultDouble(final String name) {
        return this.workbenchStore.getDefaultDouble(name);
    }

    @Override
    public float getDefaultFloat(final String name) {
        return this.workbenchStore.getDefaultFloat(name);
    }

    @Override
    public int getDefaultInt(final String name) {
        return this.workbenchStore.getDefaultInt(name);
    }

    @Override
    public long getDefaultLong(final String name) {
        return this.workbenchStore.getDefaultLong(name);
    }

    @Override
    public String getDefaultString(final String name) {
        return this.workbenchStore.getDefaultString(name);
    }

    @Override
    public boolean getBoolean(final String name) {
        insertValue(name);
        return super.getBoolean(name);
    }

    @Override
    public double getDouble(final String name) {
        insertValue(name);
        return super.getDouble(name);
    }

    @Override
    public float getFloat(final String name) {
        insertValue(name);
        return super.getFloat(name);
    }

    @Override
    public int getInt(final String name) {
        insertValue(name);
        return super.getInt(name);
    }

    @Override
    public long getLong(final String name) {
        insertValue(name);
        return super.getLong(name);
    }

    @Override
    public String getString(final String name) {
        insertValue(name);
        return super.getString(name);
    }

    private synchronized void insertValue(final String propertyKey) {
        if (this.inserting) {
            return;
        }
        if (super.contains(propertyKey)) {
            return;
        }
        this.inserting = true;
        String prop = null;
        prop = ResourcePropertyHandler.getProperty(this.resource, this.pageId, propertyKey);
        if (prop == null) {
            prop = this.workbenchStore.getString(propertyKey);
        }
        if (prop != null) {
            setValue(propertyKey, prop);
        }
        this.inserting = false;
    }

    @Override
    public boolean contains(final String name) {
        return this.workbenchStore.contains(name);
    }

    @Override
    public void setToDefault(final String name) {
        setValue(name, getDefaultString(name));
    }

    @Override
    public boolean isDefault(final String name) {
        String defaultValue = getDefaultString(name);
        if (defaultValue == null) {
            return false;
        }
        return defaultValue.equals(getString(name));
    }
}