Example usage for java.lang.reflect Field toString

Introduction

In this page you can find the example usage for java.lang.reflect Field toString.

Prototype

public String toString() 

Source Link

Document

Returns a string describing this Field .

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {

    MyClass c = new MyClass();
    Class cls = c.getClass();/*from  www.  j a  v a  2 s. c  o m*/

    Field sField = cls.getField("string1");
    System.out.println("Public field found: " + sField.toString());
}

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From source file:Main.java

public static void main(String[] args) {

    try {/*from www .  ja  v a2  s  . co m*/
        MyClass c = new MyClass();
        Class cls = c.getClass();

        Field lVal = cls.getDeclaredField("l");
        System.out.println("Field = " + lVal.toString());
    } catch (Exception e) {
        System.out.println(e.toString());
    }
}

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From source file:tech.sirwellington.alchemy.generator.ObjectGenerators.java

private static <T> void tryInjectField(T instance, Field field,
        Map<Class<?>, AlchemyGenerator<?>> generatorMappings) {
    try {/*from   w w  w . jav  a2 s  . c  o m*/
        injectField(instance, field, generatorMappings);
    } catch (IllegalAccessException | IllegalArgumentException ex) {
        LOG.warn("Could not inject field {}", field.toString(), ex);
    }
}

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From source file:edu.umass.cs.gigapaxos.paxospackets.PaxosPacket.java

protected static boolean isStatic(Field field) {
    String[] tokens = field.toString().split("\\s+");
    for (String token : tokens)
        if (token.equals("static"))
            return true;
    return false;
}

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From source file:net.sourceforge.stripes.integration.spring.SpringHelper.java

/**
 * Looks for all methods and fields annotated with {@code @SpringBean} and attempts
 * to lookup and inject a managed bean into the field/property. If any annotated
 * element cannot be injected an exception is thrown.
 *
 * @param bean the bean into which to inject spring beans
 * @param ctx the Spring application context
 *//*from  w  ww .ja  va  2  s.  c  o  m*/
public static void injectBeans(Object bean, ApplicationContext ctx) {
    // First inject any values using annotated methods
    for (Method m : getMethods(bean.getClass())) {
        try {
            SpringBean springBean = m.getAnnotation(SpringBean.class);
            boolean nameSupplied = !"".equals(springBean.value());
            String name = nameSupplied ? springBean.value() : methodToPropertyName(m);
            Class<?> beanType = m.getParameterTypes()[0];
            Object managedBean = findSpringBean(ctx, name, beanType, !nameSupplied);
            m.invoke(bean, managedBean);
        } catch (Exception e) {
            throw new StripesRuntimeException(
                    "Exception while trying to lookup and inject " + "a Spring bean into a bean of type "
                            + bean.getClass().getSimpleName() + " using method " + m.toString(),
                    e);
        }
    }

    // And then inject any properties that are annotated
    for (Field f : getFields(bean.getClass())) {
        try {
            SpringBean springBean = f.getAnnotation(SpringBean.class);
            boolean nameSupplied = !"".equals(springBean.value());
            String name = nameSupplied ? springBean.value() : f.getName();
            Object managedBean = findSpringBean(ctx, name, f.getType(), !nameSupplied);
            f.set(bean, managedBean);
        } catch (Exception e) {
            throw new StripesRuntimeException(
                    "Exception while trying to lookup and inject " + "a Spring bean into a bean of type "
                            + bean.getClass().getSimpleName() + " using field access on field " + f.toString(),
                    e);
        }
    }
}

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From source file:org.jenkinsci.plugins.workflow.support.steps.ExecutorStepTest.java

@Initializer(before = InitMilestone.JOB_LOADED)
public static void replaceWorkspacePath() throws Exception {
    final File prj = new File(Jenkins.getInstance().getRootDir(), "jobs/p");
    final File workspace = new File(prj, "workspace");
    final String ORIG_WS = "/space/tmp/AbstractStepExecutionImpl-upgrade/jobs/p/workspace";
    final String newWs = workspace.getAbsolutePath();
    File controlDir = new File(workspace, ".eb6272d3");
    if (!controlDir.isDirectory()) {
        return;/*from w  w w  .j av a2  s. co  m*/
    }
    System.err.println("Patching " + controlDir);
    RiverReader.customResolver = new ObjectResolver() {
        @Override
        public Object readResolve(Object replacement) {
            Class<?> c = replacement.getClass();
            //System.err.println("replacing " + c.getName());
            while (c != Object.class) {
                for (Field f : c.getDeclaredFields()) {
                    if (f.getType() == String.class) {
                        try {
                            f.setAccessible(true);
                            Object v = f.get(replacement);
                            if (ORIG_WS.equals(v)) {
                                //System.err.println("patching " + f);
                                f.set(replacement, newWs);
                                patchedFields.add(f.toString());
                            } else if (newWs.equals(v)) {
                                //System.err.println(f + " was already patched, somehow?");
                            } else {
                                //System.err.println("some other value " + v + " for " + f);
                            }
                        } catch (Exception x) {
                            x.printStackTrace();
                        }
                    }
                }
                c = c.getSuperclass();
            }
            return replacement;
        }

        @Override
        public Object writeReplace(Object original) {
            throw new IllegalStateException();
        }
    };
    Files.walkFileTree(prj.toPath(), new SimpleFileVisitor<Path>() {
        @Override
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            File f = file.toFile();
            String name = f.getName();
            if (name.equals("program.dat")) {
                /* TODO could not get this to work; stream appeared corrupted:
                patchedFiles.add(name);
                String origContent = FileUtils.readFileToString(f, StandardCharsets.ISO_8859_1);
                String toReplace = String.valueOf((char) Protocol.ID_STRING_SMALL) + String.valueOf((char) ORIG_WS.length()) + ORIG_WS;
                int newLen = newWs.length();
                String replacement = String.valueOf((char) Protocol.ID_STRING_MEDIUM) +
                                 String.valueOf((char) (newLen & 0xff00) >> 8) +
                                 String.valueOf((char) newLen & 0xff) +
                                 newWs; // TODO breaks if not ASCII
                String replacedContent = origContent.replace(toReplace, replacement);
                assertNotEquals("failed to replace " + toReplace + "", replacedContent, origContent);
                FileUtils.writeStringToFile(f, replacedContent, StandardCharsets.ISO_8859_1);
                */
            } else {
                String origContent = FileUtils.readFileToString(f, StandardCharsets.ISO_8859_1);
                String replacedContent = origContent.replace(ORIG_WS, newWs);
                if (!replacedContent.equals(origContent)) {
                    patchedFiles.add(name);
                    FileUtils.writeStringToFile(f, replacedContent, StandardCharsets.ISO_8859_1);
                }
            }
            return super.visitFile(file, attrs);
        }
    });
    FilePath controlDirFP = new FilePath(controlDir);
    controlDirFP.child("jenkins-result.txt").write("0", null);
    FilePath log = controlDirFP.child("jenkins-log.txt");
    log.write(log.readToString() + "simulated later output\n", null);
}

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From source file:com.glaf.core.util.ReflectUtils.java

public static void setField(Field field, Object object, Object value) {
    try {//  w  ww .  j a v  a 2s  . co m
        field.setAccessible(true);
        field.set(object, value);
    } catch (IllegalArgumentException e) {
        throw new RuntimeException("Could not set field " + field.toString(), e);
    } catch (IllegalAccessException e) {
        throw new RuntimeException("Could not set field " + field.toString(), e);
    }
}

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From source file:ru.portal.gwt.gwtportal.server.GWTServiceImpl.java

@Override
public List<TableFieldsDto> getTableNameWithFields(TableDto tableDto) {
    List<TableFieldsDto> result = new ArrayList<>();
    Set<EntityType<?>> set = tableService.getEntityTypesByAnnotationClass(PortalTable.class);
    if (tableDto == null) {
        for (EntityType<?> entityType : set) {
            TableDto dto = new TableDto(entityType.getBindableJavaType().getName(),
                    entityType.getBindableJavaType().getAnnotation(PortalTable.class).title(),
                    entityType.getBindableJavaType().getName());
            result.add(dto);/*from w w  w.ja v  a2  s.c o  m*/

            //                List<User> users = new ArrayList<>();
            //                for (int i = 0; i < 150; i++) {
            //                    users.add(new User("admin" + i, "admin", true));
            //                }
            //                userService.save(users);
            //                
            //                
            //                List<Role> roles = new ArrayList<>();
            //                for (int i = 0; i < 200; i++) {
            //                    roles.add(new Role("admin" + i));
            //                }
            //                
            //                roleService.save(roles);

        }
    } else {
        for (EntityType<?> entityType : set) {
            if (entityType.getBindableJavaType().getName().equals(tableDto.getId())) {
                Field[] fields = entityType.getBindableJavaType().getDeclaredFields();
                for (Field field : fields) {
                    TableFieldsDto dto = new TableFieldsDto(
                            entityType.getBindableJavaType().getName() + field.getName(), field.getName(),
                            field.toString());
                    result.add(dto);
                }
            }
        }
    }
    return result;
}

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From source file:org.grouplens.grapht.util.FieldProxy.java

/**
 * Resolve this proxy into a {@link Field} instance.
 * @return The {@link Field} represented by this proxy.
 * @throws ClassNotFoundException If the proxy's declaring type cannot be resolved.
 * @throws NoSuchFieldException If the field does not exist on the declaring type.
 *//*  w  ww.  j a v a2 s  .  c om*/
public Field resolve() throws ClassNotFoundException, NoSuchFieldException {
    Field cachedField = field;
    if (cachedField == null) {
        Class<?> cls = declaringClass.resolve();
        field = cachedField = cls.getDeclaredField(fieldName);
    }
    // REVIEW Do we want to test equality or assignability?
    if (!cachedField.getType().equals(fieldType.resolve())) {
        throw new NoSuchFieldException("type mismatch on " + cachedField.toString());
    }
    return cachedField;
}

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From source file:net.mindengine.blogix.db.readers.ObjectReader.java

private void setFieldValue(T objectInstance, Field field, String fieldValue) {
    Object convertedFieldValue = convertFieldValue(fieldValue, field);
    field.setAccessible(true);//  w w w .j av  a2  s .co  m

    try {
        field.set(objectInstance, convertedFieldValue);
    } catch (Exception e) {
        throw new RuntimeException("Cannot set value to field " + field.toString());
    }
}

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