org.pgptool.gui.tools.ConsoleExceptionUtils.java Source code

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Here is the source code for org.pgptool.gui.tools.ConsoleExceptionUtils.java

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/*******************************************************************************
 * PGPTool is a desktop application for pgp encryption/decryption
 * Copyright (C) 2017 Sergey Karpushin
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *******************************************************************************/
package org.pgptool.gui.tools;

import java.util.Locale;

import org.pgptool.gui.app.EntryPoint;
import org.pgptool.gui.app.Messages;
import org.springframework.context.ApplicationContext;
import org.springframework.context.NoSuchMessageException;
import org.springframework.context.i18n.LocaleContextHolder;
import org.summerb.approaches.i18n.HasMessageCode;
import org.summerb.approaches.i18n.I18nUtils;
import org.summerb.approaches.validation.FieldValidationException;
import org.summerb.approaches.validation.ValidationError;

public class ConsoleExceptionUtils {
    public static String getAllMessages(Throwable t) {
        if (t == null)
            return "";

        StringBuffer ret = new StringBuffer();

        Throwable cur = t;
        while (cur != null) {
            if (cur == cur.getCause())
                break;

            if (ret.length() > 0) {
                ret.append(" -> ");
            }

            if (cur instanceof FieldValidationException) {
                FieldValidationException fve = (FieldValidationException) cur;
                ret.append(buildMessageForFve(fve, LocaleContextHolder.getLocale()));
            } else if (cur instanceof HasMessageCode) {
                ret.append(I18nUtils.buildMessage((HasMessageCode) cur, ac()));
            } else {
                try {
                    String className = cur.getClass().getName();
                    String messageMappingForClassName = Messages.get(className, cur.getMessage());
                    if (className.equals(messageMappingForClassName)) {
                        throw new NoSuchMessageException(className);
                    }
                    ret.append(messageMappingForClassName);
                } catch (NoSuchMessageException nfe) {
                    ret.append(cur.getLocalizedMessage());
                }
            }

            cur = cur.getCause();
        }

        return ret.toString();
    }

    private static ApplicationContext ac() {
        return EntryPoint.INSTANCE.getApplicationContext();
    }

    protected static StringBuilder buildMessageForFve(FieldValidationException fve, Locale locale) {
        StringBuilder ret = new StringBuilder();
        ret.append(I18nUtils.buildMessage(fve, ac()));
        ret.append(": ");
        boolean first = true;
        for (ValidationError ve : fve.getErrors()) {
            if (!first) {
                ret.append(", ");
            }
            ret.append("\"" + tryFindTranslation(ve.getFieldToken(), locale) + "\"");
            ret.append(" - ");
            ret.append(I18nUtils.buildMessage(ve, ac()));
            first = false;
        }
        return ret;
    }

    private static Object tryFindTranslation(String fieldToken, Locale locale) {
        try {
            return ac().getMessage(fieldToken, null, locale);
        } catch (NoSuchMessageException nfe) {
            try {
                return ac().getMessage("term." + fieldToken, null, locale);
            } catch (NoSuchMessageException nfe2) {
                return fieldToken;
            }
        }
    }
}