48 lines
1.3 KiB
Java
48 lines
1.3 KiB
Java
package error;
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import java.io.PrintStream;
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import java.text.MessageFormat;
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import environment.Environment;
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/**
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* Prints error messages and potentially terminates the application.
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*/
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public class ErrorManager {
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public static final int CRITICAL_LEVEL = 3;
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private static final String ANSI_RESET = "\u001B[0m";
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private static final String ANSI_RED = "\u001B[31m";
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private static final String ANSI_PURPLE = "\u001B[35m";
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private Environment environment;
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public ErrorManager() {
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this.environment = Environment.getInstance();
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}
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public void generateError(LispException lispException) {
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printError(lispException);
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if (isCritical(lispException))
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environment.terminateExceptionally();
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}
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private void printError(LispException lispException) {
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String formattedMessage = formatMessage(lispException);
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environment.getErrorOutput().println(formattedMessage);
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}
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private String formatMessage(LispException lispException) {
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String color = isCritical(lispException) ? ANSI_PURPLE : ANSI_RED;
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return MessageFormat.format("{0}error: {1}{2}", color, lispException.getMessage(), ANSI_RESET);
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}
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private boolean isCritical(LispException lispException) {
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return lispException.getSeverity() >= CRITICAL_LEVEL;
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}
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}
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