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Merge pull request #110 from ppalaga/i104
Issue #104 inlineHeader not working
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143 changes: 143 additions & 0 deletions
143
license-maven-plugin/src/main/java/com/mycila/maven/plugin/license/header/HeaderSource.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,143 @@ | ||
| /** | ||
| * Copyright (C) 2008 Mycila (mathieu.carbou@gmail.com) | ||
| * | ||
| * 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 com.mycila.maven.plugin.license.header; | ||
|
|
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| import java.io.IOException; | ||
| import java.net.URL; | ||
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| import com.mycila.maven.plugin.license.util.FileUtils; | ||
| import com.mycila.maven.plugin.license.util.resource.ResourceFinder; | ||
|
|
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| /** | ||
| * Provides an access to the license template text. | ||
| * | ||
| * @author <a href="https://github.com/ppalaga">Peter Palaga</a> | ||
| */ | ||
| public abstract class HeaderSource { | ||
|
|
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| /** | ||
| * A {@link HeaderSource} built from a lincense header template literal. | ||
| */ | ||
| public static class LiteralHeaderSource extends HeaderSource { | ||
| public LiteralHeaderSource(String content) { | ||
| super(content, true); | ||
| } | ||
|
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| /** | ||
| * @return always {@code false} because this {@link LiteralHeaderSource} was not loaded from any {@link URL} | ||
| */ | ||
| @Override | ||
| public boolean isFromUrl(URL location) { | ||
| return false; | ||
| } | ||
|
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| @Override | ||
| public String toString() { | ||
| return "inline: " + content; | ||
| } | ||
|
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| } | ||
|
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| /** | ||
| * A {@link HeaderSource} loaded from a {@link URL}. | ||
| */ | ||
| public static class UrlHeaderSource extends HeaderSource { | ||
| private final URL url; | ||
|
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| public UrlHeaderSource(URL url, String encoding) throws IOException { | ||
| super(FileUtils.read(url, encoding), false); | ||
| this.url = url; | ||
| } | ||
|
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| @Override | ||
| public boolean isFromUrl(URL location) { | ||
| return this.url.equals(location); | ||
| } | ||
|
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| @Override | ||
| public String toString() { | ||
| return url + ": " + content; | ||
| } | ||
|
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| } | ||
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| public static HeaderSource of(String headerPath, String encoding, ResourceFinder finder) { | ||
| return of(null, encoding, finder); | ||
| } | ||
|
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| /** | ||
| * Checking the params left to right, returns the first available {@link HeaderSource} that can be created. If | ||
| * {@code inlineHeader} is not {@code null} returns a new {@link LiteralHeaderSource}. Otherwise attempts to create a | ||
| * new {@link UrlHeaderSource} out of {@code headerPath} and {@code encoding}. | ||
| * | ||
| * @param inlineHeader the text of a lincense header template | ||
| * @param headerPath a path resolvable by the {@code finder} | ||
| * @param encoding the encoding to use when readinf {@code headerPath} | ||
| * @param finder the {@link ResourceFinder} to use to resolve {@code headerPath} | ||
| * @return a new {@link HeaderSource} | ||
| */ | ||
| public static HeaderSource of(String inlineHeader, String headerPath, String encoding, ResourceFinder finder) { | ||
| if (inlineHeader != null && !inlineHeader.isEmpty()) { | ||
| return new LiteralHeaderSource(inlineHeader); | ||
| } else if (headerPath == null) { | ||
| throw new IllegalArgumentException("Either inlineHeader or header path need to be specified"); | ||
| } else { | ||
| try { | ||
| final URL headerUrl = finder.findResource(headerPath); | ||
| return new UrlHeaderSource(headerUrl, encoding); | ||
| } catch (Exception e) { | ||
| throw new IllegalArgumentException( | ||
| "Cannot read header document " + headerPath + ". Cause: " + e.getMessage(), e); | ||
| } | ||
| } | ||
| } | ||
|
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| protected final String content; | ||
| private final boolean inline; | ||
|
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| public HeaderSource(String content, boolean inline) { | ||
| super(); | ||
| this.content = content; | ||
| this.inline = inline; | ||
| } | ||
|
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| /** | ||
| * @return the text of the license template | ||
| */ | ||
| public String getContent() { | ||
| return content; | ||
| } | ||
|
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| /** | ||
| * @return {@code true} if this {@link HeaderSource} was created from a string rather by loading the bits from an | ||
| * URL; {@code false} otherwise | ||
| */ | ||
| public boolean isInline() { | ||
| return inline; | ||
| } | ||
|
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| /** | ||
| * Retuns {@code true} if this {@link HeaderSource} was loaded from the URL given in the {@code location} parameter | ||
| * or {@code false} otherwise. | ||
| * | ||
| * @param location | ||
| * the URL to tell if this {@link HeaderSource} was loaded from it | ||
| * @return {@code true} if this {@link HeaderSource} was loaded from the URL given in the {@code location} parameter | ||
| * or {@code false} otherwise | ||
| */ | ||
| public abstract boolean isFromUrl(URL location); | ||
|
|
||
| } |
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