org.eclipse.blockchain.core/src/org/eclipse/blockchain/core/BlockchainCore.java

/*******************************************************************************
 * Copyright (c) 2020 RBEI and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v. 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *		Adhith Gopal - Initial API and Implementation
 *		Santhosh Gokhale D
 *******************************************************************************/
package org.eclipse.blockchain.core;

import java.util.StringJoiner;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Plugin;
import org.eclipse.core.runtime.Status;

/**
 * Plugin Activator
 */
public class BlockchainCore extends Plugin {

	private static BlockchainCore instance;
	/**
	 * Plugin ID
	 */
	public static final String PLUGIN_ID = "org.eclipse.blockchain.core";

	/**
	 * @return - Blockchain core instance
	 */
	public static BlockchainCore getInstance() {
		if (instance == null) {
			instance = new BlockchainCore();
		}
		return instance;
	}

	/**
	 * This is used to log tool related exception
	 *
	 * @param pluginId - If null/empty default plugin id will be taken.
	 * @param message  - The short message must not be null/empty
	 * @param e        - The exception trace must not be null/empty
	 */
	public void logException(final String pluginId, final String message, final Exception e) {
		String pluginDetails = pluginId;
		if ((pluginDetails == null) || pluginDetails.isEmpty()) {
			pluginDetails = PLUGIN_ID;
		}
		if (e == null) {
			return;
		}
		Status status = new Status(IStatus.ERROR, pluginDetails, message + System.lineSeparator() + getError(e));
		instance.getLog().log(status);
	}

	private String getError(final Exception e) {
		StringJoiner errorTrace = new StringJoiner(System.lineSeparator());
		errorTrace.add(e.getMessage());
		for (StackTraceElement ste : e.getStackTrace()) {
			errorTrace.add(ste.toString());
		}
		if (e.getCause() != null) {
			errorTrace.add(e.getCause().toString());
		}
		return errorTrace.toString();
	}
}