org.sonar.api.server.debt.internal.DefaultDebtRemediationFunction Maven / Gradle / Ivy
/*
* SonarQube, open source software quality management tool.
* Copyright (C) 2008-2014 SonarSource
* mailto:contact AT sonarsource DOT com
*
* SonarQube is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* SonarQube 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.api.server.debt.internal;
import com.google.common.base.Objects;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.sonar.api.server.debt.DebtRemediationFunction;
import org.sonar.api.utils.Duration;
import javax.annotation.CheckForNull;
import javax.annotation.Nullable;
public class DefaultDebtRemediationFunction implements DebtRemediationFunction {
private static final int HOURS_IN_DAY = 24;
private final Type type;
private final String coefficient;
private final String offset;
public DefaultDebtRemediationFunction(@Nullable Type type, @Nullable String coefficient, @Nullable String offset) {
this.type = type;
this.coefficient = sanitizeValue("coefficient", coefficient);
this.offset = sanitizeValue("offset", offset);
validate();
}
@CheckForNull
private String sanitizeValue(String label, @Nullable String s) {
if (StringUtils.isNotBlank(s)) {
try {
Duration duration = Duration.decode(s, HOURS_IN_DAY);
return duration.encode(HOURS_IN_DAY);
} catch (Exception e) {
throw new IllegalArgumentException(String.format("Invalid %s: %s (%s)", label, s, e.getMessage()), e);
}
}
return null;
}
@Override
public Type type() {
return type;
}
@Override
@CheckForNull
public String coefficient() {
return coefficient;
}
@Override
@CheckForNull
public String offset() {
return offset;
}
private void validate() {
if (type == null) {
throw new IllegalArgumentException("Remediation function type cannot be null");
}
switch (type) {
case LINEAR:
if (this.coefficient == null || this.offset != null) {
throw new IllegalArgumentException("Linear functions must only have a non empty coefficient");
}
break;
case LINEAR_OFFSET:
if (this.coefficient == null || this.offset == null) {
throw new IllegalArgumentException("Linear with offset functions must have both non null coefficient and offset");
}
break;
case CONSTANT_ISSUE:
if (this.coefficient != null || this.offset == null) {
throw new IllegalArgumentException("Constant/issue functions must only have a non empty offset");
}
break;
default:
throw new IllegalArgumentException(String.format("Unknown type on %s", this));
}
}
@Override
public boolean equals(Object o) {
if (!(o instanceof DefaultDebtRemediationFunction)) {
return false;
}
if (this == o) {
return true;
}
DefaultDebtRemediationFunction other = (DefaultDebtRemediationFunction) o;
return new EqualsBuilder()
.append(coefficient, other.coefficient())
.append(offset, other.offset())
.append(type, other.type())
.isEquals();
}
@Override
public int hashCode() {
int result = type.hashCode();
result = 31 * result + (coefficient != null ? coefficient.hashCode() : 0);
result = 31 * result + (offset != null ? offset.hashCode() : 0);
return result;
}
@Override
public String toString() {
return Objects.toStringHelper(DebtRemediationFunction.class)
.add("type", type)
.add("coefficient", coefficient)
.add("offset", offset)
.toString();
}
}
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