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- /*
- * Copyright (C) 2017, Thomas Wolf <thomas.wolf@paranor.ch>
- * and other copyright owners as documented in the project's IP log.
- *
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Distribution License v1.0 which
- * accompanies this distribution, is reproduced below, and is
- * available at http://www.eclipse.org/org/documents/edl-v10.php
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- *
- * - Neither the name of the Eclipse Foundation, Inc. nor the
- * names of its contributors may be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
- package org.eclipse.jgit.lib;
-
- import java.text.MessageFormat;
- import java.util.ArrayList;
- import java.util.List;
- import java.util.concurrent.TimeUnit;
- import java.util.regex.Matcher;
- import java.util.regex.Pattern;
-
- import org.eclipse.jgit.annotations.NonNull;
- import org.eclipse.jgit.internal.JGitText;
- import org.eclipse.jgit.lib.Config.ConfigEnum;
- import org.eclipse.jgit.transport.RefSpec;
- import org.eclipse.jgit.util.StringUtils;
-
- /**
- * An {@link org.eclipse.jgit.lib.TypedConfigGetter} that throws
- * {@link java.lang.IllegalArgumentException} on invalid values.
- *
- * @since 4.9
- */
- public class DefaultTypedConfigGetter implements TypedConfigGetter {
-
- /** {@inheritDoc} */
- @Override
- public boolean getBoolean(Config config, String section, String subsection,
- String name, boolean defaultValue) {
- String n = config.getRawString(section, subsection, name);
- if (n == null) {
- return defaultValue;
- }
- if (Config.MAGIC_EMPTY_VALUE == n) {
- return true;
- }
- try {
- return StringUtils.toBoolean(n);
- } catch (IllegalArgumentException err) {
- throw new IllegalArgumentException(MessageFormat.format(
- JGitText.get().invalidBooleanValue, section, name, n));
- }
- }
-
- /** {@inheritDoc} */
- @Override
- public <T extends Enum<?>> T getEnum(Config config, T[] all, String section,
- String subsection, String name, T defaultValue) {
- String value = config.getString(section, subsection, name);
- if (value == null) {
- return defaultValue;
- }
- if (all[0] instanceof ConfigEnum) {
- for (T t : all) {
- if (((ConfigEnum) t).matchConfigValue(value)) {
- return t;
- }
- }
- }
-
- String n = value.replace(' ', '_');
-
- // Because of c98abc9c0586c73ef7df4172644b7dd21c979e9d being used in
- // the real world before its breakage was fully understood, we must
- // also accept '-' as though it were ' '.
- n = n.replace('-', '_');
-
- T trueState = null;
- T falseState = null;
- for (T e : all) {
- if (StringUtils.equalsIgnoreCase(e.name(), n)) {
- return e;
- } else if (StringUtils.equalsIgnoreCase(e.name(), "TRUE")) { //$NON-NLS-1$
- trueState = e;
- } else if (StringUtils.equalsIgnoreCase(e.name(), "FALSE")) { //$NON-NLS-1$
- falseState = e;
- }
- }
-
- // This is an odd little fallback. C Git sometimes allows boolean
- // values in a tri-state with other things. If we have both a true
- // and a false value in our enumeration, assume its one of those.
- //
- if (trueState != null && falseState != null) {
- try {
- return StringUtils.toBoolean(n) ? trueState : falseState;
- } catch (IllegalArgumentException err) {
- // Fall through and use our custom error below.
- }
- }
-
- if (subsection != null) {
- throw new IllegalArgumentException(
- MessageFormat.format(JGitText.get().enumValueNotSupported3,
- section, subsection, name, value));
- } else {
- throw new IllegalArgumentException(
- MessageFormat.format(JGitText.get().enumValueNotSupported2,
- section, name, value));
- }
- }
-
- /** {@inheritDoc} */
- @Override
- public int getInt(Config config, String section, String subsection,
- String name, int defaultValue) {
- long val = config.getLong(section, subsection, name, defaultValue);
- if (Integer.MIN_VALUE <= val && val <= Integer.MAX_VALUE) {
- return (int) val;
- }
- throw new IllegalArgumentException(MessageFormat
- .format(JGitText.get().integerValueOutOfRange, section, name));
- }
-
- /** {@inheritDoc} */
- @Override
- public long getLong(Config config, String section, String subsection,
- String name, long defaultValue) {
- final String str = config.getString(section, subsection, name);
- if (str == null) {
- return defaultValue;
- }
- String n = str.trim();
- if (n.length() == 0) {
- return defaultValue;
- }
- long mul = 1;
- switch (StringUtils.toLowerCase(n.charAt(n.length() - 1))) {
- case 'g':
- mul = Config.GiB;
- break;
- case 'm':
- mul = Config.MiB;
- break;
- case 'k':
- mul = Config.KiB;
- break;
- }
- if (mul > 1) {
- n = n.substring(0, n.length() - 1).trim();
- }
- if (n.length() == 0) {
- return defaultValue;
- }
- try {
- return mul * Long.parseLong(n);
- } catch (NumberFormatException nfe) {
- throw new IllegalArgumentException(MessageFormat.format(
- JGitText.get().invalidIntegerValue, section, name, str));
- }
- }
-
- /** {@inheritDoc} */
- @Override
- public long getTimeUnit(Config config, String section, String subsection,
- String name, long defaultValue, TimeUnit wantUnit) {
- String valueString = config.getString(section, subsection, name);
-
- if (valueString == null) {
- return defaultValue;
- }
-
- String s = valueString.trim();
- if (s.length() == 0) {
- return defaultValue;
- }
-
- if (s.startsWith("-")/* negative */) { //$NON-NLS-1$
- throw notTimeUnit(section, subsection, name, valueString);
- }
-
- Matcher m = Pattern.compile("^(0|[1-9][0-9]*)\\s*(.*)$") //$NON-NLS-1$
- .matcher(valueString);
- if (!m.matches()) {
- return defaultValue;
- }
-
- String digits = m.group(1);
- String unitName = m.group(2).trim();
-
- TimeUnit inputUnit;
- int inputMul;
-
- if (unitName.isEmpty()) {
- inputUnit = wantUnit;
- inputMul = 1;
-
- } else if (match(unitName, "ns", "nanoseconds")) { //$NON-NLS-1$ //$NON-NLS-2$
- inputUnit = TimeUnit.NANOSECONDS;
- inputMul = 1;
-
- } else if (match(unitName, "us", "microseconds")) { //$NON-NLS-1$ //$NON-NLS-2$
- inputUnit = TimeUnit.MICROSECONDS;
- inputMul = 1;
-
- } else if (match(unitName, "ms", "milliseconds")) { //$NON-NLS-1$ //$NON-NLS-2$
- inputUnit = TimeUnit.MILLISECONDS;
- inputMul = 1;
-
- } else if (match(unitName, "s", "sec", "second", "seconds")) { //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
- inputUnit = TimeUnit.SECONDS;
- inputMul = 1;
-
- } else if (match(unitName, "m", "min", "minute", "minutes")) { //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
- inputUnit = TimeUnit.MINUTES;
- inputMul = 1;
-
- } else if (match(unitName, "h", "hr", "hour", "hours")) { //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
- inputUnit = TimeUnit.HOURS;
- inputMul = 1;
-
- } else if (match(unitName, "d", "day", "days")) { //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
- inputUnit = TimeUnit.DAYS;
- inputMul = 1;
-
- } else if (match(unitName, "w", "week", "weeks")) { //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
- inputUnit = TimeUnit.DAYS;
- inputMul = 7;
-
- } else if (match(unitName, "mon", "month", "months")) { //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
- inputUnit = TimeUnit.DAYS;
- inputMul = 30;
-
- } else if (match(unitName, "y", "year", "years")) { //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
- inputUnit = TimeUnit.DAYS;
- inputMul = 365;
-
- } else {
- throw notTimeUnit(section, subsection, name, valueString);
- }
-
- try {
- return wantUnit.convert(Long.parseLong(digits) * inputMul,
- inputUnit);
- } catch (NumberFormatException nfe) {
- throw notTimeUnit(section, subsection, unitName, valueString);
- }
- }
-
- private static boolean match(String a, String... cases) {
- for (String b : cases) {
- if (b != null && b.equalsIgnoreCase(a)) {
- return true;
- }
- }
- return false;
- }
-
- private static IllegalArgumentException notTimeUnit(String section,
- String subsection, String name, String valueString) {
- if (subsection != null) {
- return new IllegalArgumentException(
- MessageFormat.format(JGitText.get().invalidTimeUnitValue3,
- section, subsection, name, valueString));
- }
- return new IllegalArgumentException(
- MessageFormat.format(JGitText.get().invalidTimeUnitValue2,
- section, name, valueString));
- }
-
- /** {@inheritDoc} */
- @Override
- @NonNull
- public List<RefSpec> getRefSpecs(Config config, String section,
- String subsection, String name) {
- String[] values = config.getStringList(section, subsection, name);
- List<RefSpec> result = new ArrayList<>(values.length);
- for (String spec : values) {
- result.add(new RefSpec(spec));
- }
- return result;
- }
- }
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