Java tutorial
/* * Copyright 2012-2019 CodeLibs Project and the Others. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, * either express or implied. See the License for the specific language * governing permissions and limitations under the License. */ package org.codelibs.fess.dict.synonym; import java.util.Arrays; import org.apache.commons.lang3.StringUtils; import org.codelibs.core.lang.StringUtil; import org.codelibs.fess.dict.DictionaryItem; public class SynonymItem extends DictionaryItem { private final String[] inputs; private final String[] outputs; private String[] newInputs; private String[] newOutputs; public SynonymItem(final long id, final String[] inputs, final String[] outputs) { this.id = id; this.inputs = inputs; this.outputs = outputs; Arrays.sort(inputs); if (inputs != outputs) { Arrays.sort(outputs); } if (id == 0) { // create newInputs = inputs; newOutputs = outputs; } } public String[] getNewInputs() { return newInputs; } public void setNewInputs(final String[] newInputs) { this.newInputs = newInputs; } public String[] getNewOutputs() { return newOutputs; } public void setNewOutputs(final String[] newOutputs) { this.newOutputs = newOutputs; } public String[] getInputs() { return inputs; } public String getInputsValue() { if (inputs == null) { return StringUtil.EMPTY; } return String.join("\n", inputs); } public String[] getOutputs() { return outputs; } public String getOutputsValue() { if (outputs == null) { return StringUtil.EMPTY; } return String.join("\n", outputs); } public boolean isUpdated() { return newInputs != null && newOutputs != null; } public boolean isDeleted() { return isUpdated() && newInputs.length == 0; } public void sort() { if (inputs != null) { Arrays.sort(inputs); } if (outputs != null) { Arrays.sort(outputs); } if (newInputs != null) { Arrays.sort(newInputs); } if (newOutputs != null) { Arrays.sort(newOutputs); } } @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + Arrays.hashCode(inputs); result = prime * result + Arrays.hashCode(outputs); return result; } @Override public boolean equals(final Object obj) { if (this == obj) { return true; } if (obj == null) { return false; } if (getClass() != obj.getClass()) { return false; } final SynonymItem other = (SynonymItem) obj; sort(); other.sort(); if (!Arrays.equals(inputs, other.inputs)) { return false; } if (!Arrays.equals(outputs, other.outputs)) { return false; } return true; } @Override public String toString() { return "SynonymItem [id=" + id + ", inputs=" + Arrays.toString(inputs) + ", outputs=" + Arrays.toString(outputs) + ", newInputs=" + Arrays.toString(newInputs) + ", newOutputs=" + Arrays.toString(newOutputs) + "]"; } public String toLineString() { if (isUpdated()) { if (Arrays.equals(newInputs, newOutputs)) { return StringUtils.join(newInputs, ","); } else { return StringUtils.join(newInputs, ",") + "=>" + StringUtils.join(newOutputs, ","); } } else { if (Arrays.equals(inputs, outputs)) { return StringUtils.join(inputs, ","); } else { return StringUtils.join(inputs, ",") + "=>" + StringUtils.join(outputs, ","); } } } }